Lower Receivers
Gas & Brass Armory offers a full selection of AR-15 lower receivers in Brandon, FL—perfect for your next rifle build or upgrade. Choose from trusted brands like Aero Precision, Anderson, BCM, and more. Whether you're looking for stripped lowers for a custom build or complete lowers ready to pin on your upper, we have durable, mil-spec components to fit your needs. Visit us in-store or shop online with confidence.
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RADIAN BUILDER KIT 14 BLACK
Radian Weapons
MSRP: $1,536.74$1,360.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,536.74$1,360.00 -
RADIAN BUILDER KIT 15.5 FDE
Radian Weapons
MSRP: $1,581.94$1,337.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,581.94$1,337.00 -
RADIAN BUILDER KIT 15.5 OD GREEN
Radian Weapons
MSRP: $1,581.94$1,337.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,581.94$1,337.00 -
Out of stock
RADIAN WEAPONS LOWER RECEIVER R0848
Radian Weapons
$1,145.00The Radian Weapons Billet Upper Lower Builder Sets were created to function as the best item for anyone looking for a top quality selection. These AR15 Receiver Sets from the professional product specialists at Radian Weapons are designed working with...$1,145.00 -
Out of stock
COBALT KINETICS CK-PRO RECEIVER SET CKPROSET16BLK
COBALT KINETICS
$1,151.00The Cobalt Kinetics CKPro receiver set is a premium AR upgrade kit designed for toptier performance and durability. It features a proprietary nonrotating upper receiver system with 8 TORX screws for a rocksolid handguard mount. Each set includes the...$1,151.00 -
Out of stock
COBALT KINETICS CK-PRO RECEIVER SET CKPROSET13BLK
COBALT KINETICS
$1,151.00The Cobalt Kinetics CKPro receiver set is a premium AR upgrade kit designed for toptier performance and durability. It features a proprietary nonrotating upper receiver system with 8 TORX screws for a rocksolid handguard mount. Each set includes the...$1,151.00 -
Out of stock
RADIAN BUILDER KIT 10 OD GREEN
Radian Weapons
MSRP: $1,418.09$1,255.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,418.09$1,255.00 -
Out of stock
RADIAN BUILDER KIT 14 OD GREEN
Radian Weapons
MSRP: $1,536.74$1,360.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,536.74$1,360.00 -
Out of stock
RADIAN BUILDER KIT 14 GRAY
Radian Weapons
MSRP: $1,536.74$1,360.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $1,536.74$1,360.00