Brn-180 bullpup

BRN-180 Charging Handle Upgrade: Slot Machine Jr. | Pete Machining. I know everybody on their mama is making charging handles for the BRN-180.. didn't absolutely love any of them due to to tolerance issues and texturing.. so I made my own. Check it out if interested!

The retail pricing for both the 10.5 inch and 16 inch 7.62x39mm uppers start at $969. For more information about BRN-180 uppers, parts, stocks, and accessories, please visit Brownells’ website ... Then you can buy a BRN 180 or a FM-15 upper. For the lower don’t get the BRN specific one that won’t work. Get a mil spec AR15 lower. And when I say mil spec I mean MIL SPEC. No new features like a enclosed trigger guard or ambi this or that. You need the plain Jane AR15 lower. The upper has all the parts you need to make a bullpup. Looking for a concealed carry holster? Visit our friends at Vedder Holsters! https://tacticalhyve.com/recommends/vedder/home-5/Retired Navy SEAL "Coch" talks...Earlier they posted their prototype and I suggested they swap the BRN-180 charging handle for the SA80 one. I can’t be the only one who made that suggestion, because it seems they added it. ... First because it's a bullpup conversion, secondly because the BRN-180 uses an AR-15 receiver interface. No fun allowed in leaf land.Feb 21, 2019 · For one thing, unlike a 15/16 it has never been "Band-Aided" multiple times to be what it is. The basic design is vastly superior on a number of levels, and now that Brownell's has incorporated more modern materials and manufacturing processes it's a definite improvement over the original 18/180. Mike_in_FL. Supporter. Designed in conjunction with PWS & FM Products, the Brownells BRN-180S Complete Upper Receiver is the newest iteration of the BRN-180 Upper Receiver, which was inspired by the Armalite AR-180 of the 1960s. The BRN-180S shares a large chunk of components with the BRN-180 but introduces key features to improve reliability and usability in a… Read More »Brownells Brn-180s(R) Gen 2 Complete ...When Elliott announced it was withdrawing its slate of Salesforce board candidates, it seems that some activist pressure had been lifted. Could activist peace be at hand at Salesfo...Just to clarify, JAKL upper doesn’t come with the adapter needed to connect with a Mil-spec lower. You have to buy the $99 parts kit (the one in the link OP provided) if you don’t buy a JAKL lower or lower kit.

Got the Reap Industries Scy bullpup adapter, can confirm it’ll fit the 10” BRN uppers. The leading edge will just extend past the handguard a smidge. Haven’t gotten to shoot it yet, but I can point out two things about the Scy already: It’s a pain to assemble. The magwell doesn’t allow for PMAG’s.Just to clarify, JAKL upper doesn’t come with the adapter needed to connect with a Mil-spec lower. You have to buy the $99 parts kit (the one in the link OP provided) if you don’t buy a JAKL lower or lower kit.The Scorpion EVO Bullpup Kit designed by Manticore Arms and manufactured by CZ USA allows a standard Scorpion EVO carbine to be reduced in length to only 26.1″ with a 16″ barrel and still be a non NFA longarm! Consisting of four major components – a new lower receiver, a buttplate, a cheekrest, and an optional optics riser, the EVO ... Then you can buy a BRN 180 or a FM-15 upper. For the lower don’t get the BRN specific one that won’t work. Get a mil spec AR15 lower. And when I say mil spec I mean MIL SPEC. No new features like a enclosed trigger guard or ambi this or that. You need the plain Jane AR15 lower. The upper has all the parts you need to make a bullpup. TRIAD BULLPUP CHASSIS FOR BRN-180 UPPER RECEIVER RIFLE. Be the first to rate this product. New. Product no.: 430108947. A3 TACTICAL INC. RIFLE UPPER …

TRIAD MODULAR BULLPUP CHASSIS; TRIAD CONVERSION KITS; TRIAD CONVERSION KITS A3 TACTICAL. $39.95 - $129.95) SKU: UPC: Shipping: Calculated at Checkout. Current Stock: ... The base TRIAD chassis is compatible with the BRN-180, Foxtrot Mikes, and JAK'L upper receivers however there are differences with each upper …The base TRIAD chassis is compatible with the BRN-180, Foxtrot Mikes, and JAK'L upper receivers however there are differences with each upper that require some specific components. For instance, the Foxtrot Mikes upper and the JAK'L upper require completely different buffers to function correctly, so we have specific buffers for each kit.PISTOL UPPER RECEIVER TRIAD BULLPUP CHASSIS FOR BRN-180. Mfr Part: P-MBC-BRN-0. £959.90 *. Back Order. Backordered, delivery time approx. 4-12 weeks from the USA warehouse. Specs: Color: Black Make: AR-15 Material: Aluminum Style: Chassis Weight: 1.625 lbs. Details. Add to shopping list.A subreddit for BRN-180 owners to share and discuss their builds. Members Online • ... Forgive Me-Triad BRN-180 Bullpup upvotes ...The attached lower has a standard, mil-spec trigger group, which is operated using an electronic solenoid. The front pistol grip hides a tactile button switch and a 12V relay to energize the solenoid. A lithium-ion airsoft battery is held in the tube in front of the trigger, to power the whole system. Reply.BRN-180 Test Fired Here I've just test fired the BRN-180 at my range at Boston KY. ... The biggest difference with the Tavor is the bullpup design which affects handling more than the gas system. Posted: 4/29/2021 1:15:12 PM EDT [#13] GI Sling Installed Here I've just installed my WWII era GI cotton sling onto my rifle. I'm using the …

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The ArmaLite AR-18 is a gas-operated assault rifle chambered for 5.56×45mm NATO ammunition.The AR-18 was designed at ArmaLite in California by Arthur Miller, Eugene Stoner, George Sullivan, and Charles Dorchester in 1963 as an alternative to the Colt AR-15 design, a variant of which had just been selected by the U.S. military as the M16.A semi …The retail pricing for both the 10.5 inch and 16 inch 7.62x39mm uppers start at $969. For more information about BRN-180 uppers, parts, stocks, and accessories, please visit Brownells’ website ...Oct 1, 2020 · The BRN-180 Gen 2 Upper brings all the history of the AR-180 and modernizes it. Utterly reliable and fun to shoot, however, you might have some troubles upgrading it besides optics and muzzle device. Accuracy also varies between excellent to standard AR-15. As a history dork, I love this upper. A business model can make or break a business -- having a solid business plan directs profits and investments. Read about influential business models. Advertisement Henry Ford, fam...Thank you to @brownells for sponsoring this channel! Xidax (My Computer Sponsor) - https://mbsy.co/xidax/99898713Aventon Bikes - https://bit.ly/2ZdwX4gSDI - ...

In the above section, we listed our top picks for the best bullpup shotguns and rifles, each receiving a marker or category award. Now, below, we’ll review each one individually, so you can see how they compare and understand why they earned their credit. 1. IWI Tavor X95 : Best Overall Bullpup.Yes, the BRN-180 upper receiver is fully compatible with any standard, mil-spec AR-15 lower receiver. The 16” barrel is machined from extra-strong 4150 carbon steel, with a hard Nitride finish that really resists surface wear. This BRN-180™ is chambered in 7.62x39 with 1-8" rifling. Up front there's a replica of the AR-180's unusual three ...Travel app Hopper is offering a number of exclusive deals and discounts on Nov. 30. Step aside, Black Friday and Cyber Monday: Hopper's Travel Deal Tuesday is here with discounts o...Good news: the Mike-15 lower receiver is compatible with Brownells BRN-180 upper receivers. FM lowers look noticeably different from a standard mil-spec AR-15 lower receiver. All the edges are neatly rounded, so no matter where you grab the rifle, it'll fit comfortably in your hand. The swoopy, flowing, ergonomic curves around the magwell …We would like to show you a description here but the site won’t allow us.As a bullpup fanatic, I'm looking into something similar. I'm considering the BRN-180, but also exploring other options cause the reciprocating CH is a non-insignificant drawback in my opinion. You should also crosspost this to r/Bullpups and shed some light on your project, there seems to be a lot of questions about SCY over there.Brownells # 078000686. MFR # BRN-180 16 BUILD KIT 223 WYLD. UPC. $1,285.49. Out of Stock. NOTIFY ME. Add To Favorite. Can we ship this to you? Check. How To Buy Guns …So what BRN-180 Upper configuration is the best one would order for easy integration into this kit? View Quote If your goal is to make a trailer park L85/SA80-ish rifle, then you probably need the 18.5" BRN180 upper.Oct 11, 2019 · Well, Brownells has replicated (and improved) it with its AR-180 upper receiver group: the BRN 180. After designing the AR-­10 and witnessing its descendants’ successful adoption by the U.S. military, ArmaLite and Eugene Stoner decided to take another run at the large-frame automatic rifle. Work began on the AR-­16.

May 3, 2023 ... Bullpup is objectively the superior layout for individual firearms. The only material disadvantages are a lower ceiling on trigger ...

AKB-23 (BRN-180 Bullpup) Space-Cadet (Page: 2) Space-Cadet Replies: 74 Views: 4873 3/30/2024 1:35 PM StealthyBlagga Suppressing the Tavor X95 (revisited) KILLERB6 ... This allows a bullpup to be more maneuverable and concealed more easily than a conventional weapon with a similar barrel length. The other main benefit is that it puts the center of mass closer to the shooter's core. ... TRIAD BULLPUP CHASSIS for BRN-180 UPPER RECEIVER. $649.95 - $699.95. Choose Options. Quick view. A3 TACTICAL …Aug 28, 2023 · CZ stretched the weapon into a full-on rifle. The Bullpup Scorpion kit shrinks the rifle considerably. The CZ Scorpion Bullpup Kit converts your 9mm rifle into a much smaller platform. In fact, it shrinks down to nearly 26.1 inches, making it as small as it legally can be. This ultra-small rifle is very easy to wield. Apr 12, 2021 ... ... bullpup rifles that can chamber different ... Desert Tech Micron. 180K views · 3 years ago #micron #mantis #deserttech ... ... Jakl vs BRN180.A bullpup trigger feels like it’s connected to the sear via a ribeye steak. The controls seem to be configured and placed ever so perfectly for only a contortionist to employ. ... This involved using and improving 7.62 AR parts. However, the bolt and recoil system are still in the AR-180 style as with the original design and is a short-stroke ...The Scy brings the AR-15 platform into the bullpup fighting ring with complete modularity and adaptability. We designed our product around the Mil-Spec lower. reapweaponries.com Jun 4, 2023 ... Ok. That’s pretty sexy. The BRN-180 comes in 300 BLK already, so should be plug and play. Jun 20, 2023 #18 smdub Ultimate Member. MDS …TRIAD BULLPUP CHASSIS FOR BRN-180 UPPER RECEIVER RIFLE (267) 217-3222; 400$ Free shipping on Firearms & accessories! (No Ammo) simple order (less than 3 different types of ammo ships quick in 2~3 days, complicated order might have delay) Sign in; Sign out; Create Account; My Account; Filter. Cart ( 0) Wishlist ( 0)In this episode of SHOT Show 2022 coverage, Hop is at Brownells to talk about the newest addition to the BRN-180 line, which is a 7.62x39mm version. AR-curio...Earlier they posted their prototype and I suggested they swap the BRN-180 charging handle for the SA80 one. I can’t be the only one who made that suggestion, because it seems they added it. ... First because it's a bullpup conversion, secondly because the BRN-180 uses an AR-15 receiver interface. No fun allowed in leaf land.

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Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Not sure what's the purpose of comparing BRN-180 vs HK416 parts. Although they are both piston rifles. the heart of the 2 system designs are completely different. BRN-18 ---> AR18. HK416 ---> AR15. If you want to compare parts comparability for HK416, probably Taiwanese T65 & T91 (Wolf A1) would be more of Apple-to-Apple …Dolutegravir: learn about side effects, dosage, special precautions, and more on MedlinePlus Dolutegravir is used with other medications to treat human immunodeficiency virus (HIV)...Just to clarify, JAKL upper doesn’t come with the adapter needed to connect with a Mil-spec lower. You have to buy the $99 parts kit (the one in the link OP provided) if you don’t buy a JAKL lower or lower kit.The trigger pull weight on the bullpup trigger bow varies from 3.8-4.4 lbs depending on pull location along the trigger bow. There is a small amount of take-up to a wall and then the trigger will break. The bullpup trigger is overall good being only slightly worse than pulling from the original trigger bow. It is better than a MDRX trigger.The bullpup trigger has a linear linkage, is located 9.75″ forward of the original trigger, adds less than 1.5 lbs to the trigger pull weight and has an adjustable length to fit different aftermarket triggers. ... Now, a conversion with a Brownells BNR-180 upper shown in the picture below (or for that matter with any AR-15 lower receiver ...A bullpup trigger feels like it’s connected to the sear via a ribeye steak. The controls seem to be configured and placed ever so perfectly for only a contortionist to employ. ... This involved using and improving 7.62 AR parts. However, the bolt and recoil system are still in the AR-180 style as with the original design and is a short-stroke ...Sep 10, 2023 · Cons. Reciprocating Charging Handle. The Brownells BRN-180 is an awesome combination of a classic and modern design coming together. The premise of the BRN-180 is to modernize the AR180 that was released in the 1960s and release it with upgrades from the lessons learned from the AR platform over the years. 1 History of the BRN-180. So what BRN-180 Upper configuration is the best one would order for easy integration into this kit? View Quote If your goal is to make a trailer park L85/SA80-ish rifle, then you probably need the 18.5" BRN180 upper.Yes, the BRN-180 upper receiver is fully compatible with any standard, mil-spec AR-15 lower receiver. The 16” barrel is machined from extra-strong 4150 carbon steel, with a hard Nitride finish that really resists surface wear. This BRN-180™ is chambered in 7.62x39 with 1-8" rifling. Up front there's a replica of the AR-180's unusual three ... ….

TRIAD BULLPUP CHASSIS FOR BRN-180 UPPER RECEIVER RIFLE FEATURES: 6061 aluminum front trigger housing/receiver; 17-4 stainless MIM front trigger with QPQ …BRN-180 Test Fired Here I've just test fired the BRN-180 at my range at Boston KY. ... The biggest difference with the Tavor is the bullpup design which affects handling more than the gas system. Posted: 4/29/2021 1:15:12 PM EDT [#13] GI Sling Installed Here I've just installed my WWII era GI cotton sling onto my rifle. I'm using the …The kit is recoil rated for up to .50 Beowulf. The MSRP of Reap Weaponries Scy bullpup conversion kit is $499.99. One design element that makes it difficult to convert an AR-15 into a bullpup compared to rifles like AKs is the receiver extension / buffer tube. There were attempts of addressing this issue by having the buffer tube over the ...The TRIAD is a Modular Bullpup Chassis, designed to house a standard Mil-spec AR receiver. It also uses a bufferless upper receiver. Once the Mil-spec receiver is installed, …Yes, the BRN-180™ upper receiver is fully compatible with any standard, mil-spec AR-15 lower receiver. The 16"" or 18.5” barrel is machined from extra-strong 4150 carbon steel, with a hard Nitride finish that really resists surface wear. The BRN-180™ is chambered in .223 Wylde - for extra flexibility in ammo choice - with 1-8"" rifling ...Just to clarify, JAKL upper doesn’t come with the adapter needed to connect with a Mil-spec lower. You have to buy the $99 parts kit (the one in the link OP provided) if you don’t buy a JAKL lower or lower kit.BRN180 bullpup update: - I'm happy with the trigger area and behind the grip, dropped all this down 1mm to make the thin part of the chassis thicker, still working on the stock - had to rotate the Bushmaster style ambi mag catch down 15° to clear the trigger pack.Get ratings and reviews for the top 7 home warranty companies in Doral, FL. Helping you find the best home warranty companies for the job. Expert Advice On Improving Your Home All ...Bullpup Slap Pack $ 9.99; Logo Patch $ 9.99; View All Gear. Apparel. Reaper Tee $ 29.99 – $ 31.99; Reap Scy Diagram Tee $ 29.99 – $ 31.99; View All Apparel. Sweepstakes disclaimers. Sweepstakes Legal information. Mission Statement. At Reap Weaponries our mission is to create a high-quality bullpup attachment for the AR 15. We are faithful ...Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Brn-180 bullpup, Description. TRIAD BULLPUP CHASSIS FOR BRN-180 UPPER RECEIVER RIFLE FEATURES: 6061 aluminum front trigger housing/receiver. 17-4 stainless MIM front trigger with QPQ coating. 4140 steel Anti-walk trigger pins x 3. A3 Tactical ambi selector with detent spring and detent. 17-4 stainless front trigger linkage with QPQ coating., Apr 2, 2021 · BRN180 bullpup update: - I'm happy with the trigger area and behind the grip, dropped all this down 1mm to make the thin part of the chassis thicker, still working on the stock - had to rotate the Bushmaster style ambi mag catch down 15° to clear the trigger pack. , Feb 21, 2019 · For one thing, unlike a 15/16 it has never been "Band-Aided" multiple times to be what it is. The basic design is vastly superior on a number of levels, and now that Brownell's has incorporated more modern materials and manufacturing processes it's a definite improvement over the original 18/180. Mike_in_FL. Supporter. , The TRIAD is a Modular Bullpup Chassis, designed to house a standard Mil-spec AR receiver. It also uses a bufferless upper receiver. Once the Mil-spec receiver is installed, …, The BRN-180 Gen 2 upper is a perfect suppressor host with a short-stroke piston as well as an adjustable gas block. For my rifle, I ended up using a standard AR …, "I don’t believe that we’ve seen anything this atomic since movie tickets have been tracked," one analyst said. MoviePass may fail, but it’s changing moviegoing for the better. Maj..., The bolt carrier rides on two guides with springs that are located within the upper receiver, so the BRN-180 can accept a side-folding stock. Because the BRN-180 fits onto an AR-15 lower, you can use standard AR-15 magazines rather than having to hunt for original AR-180 mags, and the bolt locks back on the last shot., At the 2020 Shooting, Hunting and Outdoor Trade (SHOT) Show Brownell’s unveiled a pair of new lower receivers for the BRN-180 upper receiver. The BRN-180 is forged and resembles the classic profile of the Armalite AR-180 and the BRN-180M is a modernized billet version. BRN-180 forged lower receiver. Last year, Brownell’s rolled …, The Scy brings the AR-15 platform into the bullpup fighting ring with complete modularity and adaptability. We designed our product around the Mil-Spec lower. reapweaponries.com Jun 4, 2023 ... Ok. That’s pretty sexy. The BRN-180 comes in 300 BLK already, so should be plug and play. Jun 20, 2023 #18 smdub Ultimate Member. MDS …, If I could design it would be done. I think the BRN-180 uppers could be a great opportunity for 3D printed lowers, eliminating the primary failure point of the buffer threads. I was working on one a while back. You can find the files …, Fox Army Dot on Amazon for quick delivery https://linktr.ee/topshotdustin Use code: 6PXWZ2ZV for 15% off the FXH50FXA10: BSUJI2KZFXN70: N6GP3X4FMore info o..., Description. Keeping in line with the rest of Brownells BRN-180 project, the BRN-180 Folding Stock takes its origin and styling ques from the original AR-180 but incorporates more modern materials and functional design to offer a stock that looks the part and performs great. The stock itself is a polymer construction while the folding mechanism ..., A subreddit for BRN-180 owners to share and discuss their builds. Members Online • ... I sure hope not, I went to look how much they run these days with the approaching L85 bullpup kit that looks weird without the longer barrel Reply reply VAhotfingers ..., Everything that makes the BRN-180 300 Blackout great, with enhanced features for suppressor use. With the BRN-180S 300 Blackout being frequently used in conjunction with suppressors, Brownells sought out new features that make the platform quieter and better to use with a suppressor. Still mounting to any standard AR-15 spec lower receiver, the ..., The retail pricing for both the 10.5 inch and 16 inch 7.62x39mm uppers start at $969. For more information about BRN-180 uppers, parts, stocks, and accessories, please visit Brownells’ website ..., BRN-180 Bullpup . How would I go about making one? Or is someone selling kits. It’d be more of an SA-80 I guess. Also how would optic mounting work comments sorted by Best Top New Controversial Q&A Add a Comment. Routine-Fan-7210 ..., A reflex sight is the best kind for the BRN-180 (Josh Wayner for TTAG) Heat buildup is something that is a challenge for this rifle and can rob accuracy quite quickly, although the receiver itself stays clean and …, A peak flow meter is a small device that helps you check how well your asthma is controlled. Peak flow meters are most helpful if you have moderate to severe persistent asthma. A p..., Welcome back to my Channel. Today we are going to talk about the MIKE-102 by FM Products and the BrownellsInc BRN-180 and what parts I installed on each rifl..., Made in USA. US export classification: 0A501.c. Description. TRIAD BULLPUP CHASSIS FOR BRN-180 UPPER RECEIVER RIFLE FEATURES: 6061 aluminum front trigger housing/receiver 17-4 stainless MIM front trigger with QPQ coating 4140 steel Anti-walk trigger pins x 3 A3 Tactical ambi selector with detent spring and detent 17-4 stainless …, Brownells Brn-180 Lower Parts Kit. $ 87.99. Buy product. Description. Brownells has taken the guesswork out for you! Need a lower parts kit? We have put together the small parts needed from some of our top suppliers just for you! This kit includes the following items: Magazine Release Magazine Release Button Magazine Catch Spring Bolt Catch ..., For the price I don't exactly recommend the brn 180 upper unless you get it used and private because after taxes the upper costed me $1050!!!! PSA Jakl i'd buy if it's super cheap. Fm15 I want it, and perhaps even dremmel cut a hk notch into the handguard, hopefully without killing the gas system., Jan 27, 2021 · The BRN-180 uses a short stroke gas piston with an adjustable gas block. It can be purchased in... The Brownells BRN-180 is a new spin the original Armalite 18. The BRN-180 uses a short stroke gas ... , Muzzle threads: 1/2"-28 tpi (.223) and 5/8"-24 tpi (300 BLK & 7.62x39) The BRN-180 and BRN-180S Gen2 upper receivers are available chambered in .223 Wylde (optimized for both .223 Remington and 5.56 NATO ammo), .300 Blackout, and 7.62x39mm. All barrels are button rifled with a 1-8" twist rate and come in pistol, carbine, and rifle barrel lengths., 6061 Machined extended handguard. 4140 Barrel extension with 3-lug and 1/2-28 barrel thread. TRIAD DISCLAIMER. The TRIAD is a Modular Bullpup Chassis, designed to house a standard Mil-spec AR receiver. It also uses a bufferless upper receiver. Once the Mil-spec receiver is installed, the upper receiver simply quick-pins in place just like a ..., Jan 30, 2021 · A reflex sight is the best kind for the BRN-180 (Josh Wayner for TTAG) Heat buildup is something that is a challenge for this rifle and can rob accuracy quite quickly, although the receiver itself stays clean and cool. This makes reliability exceptional in that the operating parts never get clogged or caked in carbon. , TRIAD BULLPUP CHASSIS FOR BRN-180 UPPER RECEIVER RIFLE (267) 217-3222; 400$ Free shipping on Firearms & accessories! (No Ammo) simple order (less than 3 different types of ammo ships quick in 2~3 days, complicated order might have delay) Sign in; Sign out; Create Account; My Account; Filter. Cart ( 0) Wishlist ( 0), The 16" or 18.5” barrel is machined from extra-strong 4150 carbon steel, with a hard Nitride finish that really resists surface wear. The BRN-180™ is chambered in .223 Wylde - for …, Get ratings and reviews for the top 10 foundation companies in Centreville, VA. Helping you find the best foundation companies for the job. Expert Advice On Improving Your Home All..., TRIAD BULLPUP CHASSIS FOR BRN-180 UPPER RECEIVER PISTOL FEATURES: 6061 aluminum front trigger housing/receiver. 17-4 stainless MIM front trigger with QPQ coating. 4140 steel Anti-walk trigger pins x 3. A3 Tactical ambi selector with detent spring and detent. 17-4 stainless front trigger linkage with QPQ coating., The AUG bullpup assault rifle added to Ready Or Not, this mod replaces the BRN-180 and includes a set of custom animations ported from insurgency sandstorm (Sped up of course). KNOWN ISSUES The sway is a little off The Elcan scope is backwards and will cause your gun to shoot backwards Weapon animations on the gun itself dont work, PISTOL UPPER RECEIVER TRIAD BULLPUP CHASSIS FOR BRN-180. Mfr Part: P-MBC-BRN-0. £959.90 *. Back Order. Backordered, delivery time approx. 4-12 weeks from the USA warehouse. Specs: Color: Black Make: AR-15 Material: Aluminum Style: Chassis Weight: 1.625 lbs. Details. Add to shopping list., Coming soon (initial public batch will be all OD green "SA80" kit) Price TBD. AKB-23 compatible with Brownells BRN180 upper receiver. Our dedicated bufferless bullpup lower with removable endcaps allow seamless fit with uppers from multiple manufacturers (coming soon) to create a bullpup system with many possible configurations.