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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LARUE TACTICAL STRIPPED LOWER RECEIVER LT15X01BLK
LARUE TACTICAL
$261.00The Larue Tactical MLOK Handguard is a precisionengineered freefloating forend designed for ARplatform rifles offering enhanced modularity accuracy and durability. With its 14.5inch length this handguard provides ample space for accessory mounting making...$261.00 -
FRANKLIN ARMORY LIBERTAS LOWER RECEIVER 0020009BLK
FRANKLIN ARMORY
$432.00Franklin Armory Libertas Proprietary Billet Lower Receiver Machined From 7075T6 Aluminum Hard Coat Type III Anodized Black Flared Magazine Well for Quick Magazine Changes Ambidextrous Push Button QD Sling Mounts Integral Cold Weather Trigger Guard...$432.00 -
FRANKLIN ARMORY LIBERTAS LOWER RECEIVER 0020003BLK
FRANKLIN ARMORY
$248.00Franklin Armory Libertas Proprietary Billet Lower Receiver Machined From 7075T6 Aluminum Hard Coat Type III Anodized Black Flared Magazine Well for Quick Magazine Changes Ambidextrous Push Button QD Sling Mounts Integral Cold Weather Trigger Guard...$248.00 -
FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020023BLK
FRANKLIN ARMORY
$612.00Franklin Armory Libertas Proprietary Billet Lower Receiver Machined From 7075T6 Aluminum Hard Coat Type III Anodized Black Flared Magazine Well for Quick Magazine Changes Ambidextrous Push Button QD Sling Mounts Integral Cold Weather Trigger Guard...$612.00 -
FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020024BLK
FRANKLIN ARMORY
$333.00Forged 7075T6 Aluminum Hard Coat Type III Anodized Black Specialized Tension Screw Eliminates UpperLower Play FRANKLIN ARMORY Binary Firing System Trigger A2 Pistol Grip Magazine Manufactured from Stainless Steel Marlube Finished 30 Round 5.56 NATO...$333.00 -
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 -
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 -
COBALT KINETICS CK-PRO RECEIVER SET CKPROSET118BLK
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 -
COBALT KINETICS CK-PRO RECEIVER SET CKPROSET98FDE
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 -
COBALT KINETICS CK-PRO RECEIVER SET CKPROSET98BLK
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 -
COBALT KINETICS CK-PRO RECEIVER SET CKPROSET675FDE
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 -
COBALT KINETICS CK-PRO RECEIVER SET CKPROSET675BLK
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