AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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LUTH AR A1 ASSEMBLED UPPER RECEIVER
Luth-AR
MSRP: $199.95$187.95Looking to build a high-quality retro looking AR? Start your project with a complete A1 upper receiver anodized. Comes with the standard features of a Mil-Spec upper receiver and is forged from 7075-T6 aluminum with a black hard coat anodized, tough...MSRP: $199.95$187.95 -
Out of stock
LBE A2 STRIPPED UPPER W/FIXED CARRY
LBE Unlimited
MSRP: $124.99$101.42LBE Unlimited is a leading producer of US Made gun parts and accessories, particularly for the AR-15 platform. Whether you're in the middle of an AR build or you're just looking to upgrade a key component, LBE has you covered with reliable parts and...MSRP: $124.99$101.42 -
Out of stock
LANTAC UAR 7075T6 BILLET UPPER
LanTac USA LLC
MSRP: $254.99$229.99The patent pending SMOOTHCAM system features a domed head, low friction cam pin and special upper receiver that offer ultra smooth operation. With its blended cam recess the UAR upper is machined from Billet 7075-T6 certified aluminum and milspec, ...MSRP: $254.99$229.99 -
Out of stock
BLACK RAIN UPPER RECEIVER 223REM BLK
Black Rain Ordnance
MSRP: $289.00$207.78Black Rain Ordnance, Inc. is a precision rearms manufacturer specializing in the modern sporting rifle design. Founded in 2009 with a benchmark to only manufacture weapons we would personally be proud to own and operate. They've sought out the best...MSRP: $289.00$207.78 -
Out of stock
AERO EPC-9 ASSEMBLED UPPER FDE
Aero Precision
MSRP: $205.00$184.99The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this upper receiver will help take your pistol caliber build...MSRP: $205.00$184.99 -
Out of stock
AERO EPC-9 ASSEMBLED UPPER BLACK
Aero Precision
MSRP: $185.00$164.99The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this upper receiver will help take your pistol caliber build...MSRP: $185.00$164.99 -
Out of stock
AERO AR15 STRIPPED UPPER FDE
Aero Precision
MSRP: $135.00$119.99Manufacturing a great receiver isn't just about what the end product looks like. It's about what it feels like, how it works, how it handles and performs. Aero Precision products have been recognized across the country by members of the military and law...MSRP: $135.00$119.99 -
Out of stock
AERO AR15 ASSEMBLED UPPER FDE
Aero Precision
MSRP: $160.00$144.99Manufacturing a great receiver isn't just about what the end product looks like. It's about what it feels like, how it works, how it handles and performs. Aero Precision products have been recognized across the country by members of the military and law...MSRP: $160.00$144.99 -
RRA CMPLT CAR A4 UPR 458 SOCOM 16
Rock River Arms
MSRP: $790.00$732.44Rock River Arms complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16" chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15" RRA lightweight M-Lok...MSRP: $790.00$732.44 -
Out of stock
RADICAL UPPR 6.5GRNDL 16 1-9 MLOK
Radical Firearms
MSRP: $669.95$609.47The Radical Firearms 6.5 Grendel upper is perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.MANUFACTURER: Radical FirearmsMPN:...MSRP: $669.95$609.47 -
Out of stock
RADICAL UPPR 556 16 1-7 MLOK BLK
Radical Firearms
MSRP: $474.95$308.40The Radical Firearms 5.56mm upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical...MSRP: $474.95$308.40 -
Out of stock
PWS MK116 MOD 1-M UPR 16 762X39 BLK
Primary Weapons Systems
MSRP: $1,129.95$1,049.95The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...MSRP: $1,129.95$1,049.95