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 A-DAC 15 LOWER RECEIVER GRAY
Radian Weapons
MSRP: $592.19$515.00Machined from billet 7075-T6 aluminum, the A-DAC 15 is a fully ambidextrous lower receiver for AR15-style firearms. In addition to the Talon Ambidextrous Safety Selector, left-side magazine release, and right-side bolt release, the A-DAC 15 features the...MSRP: $592.19$515.00 -
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 -
RADIAN A-DAC 15 LOWER RECEIVER BLACK
Radian Weapons
MSRP: $592.19$515.00Machined from billet 7075-T6 aluminum, the A-DAC 15 is a fully ambidextrous lower receiver for AR15-style firearms. In addition to the Talon Ambidextrous Safety Selector, left-side magazine release, and right-side bolt release, the A-DAC 15 features the...MSRP: $592.19$515.00 -
PWS MK1 2-M COMP LOWER KODIAK BROWN
Primary Weapons Systems
MSRP: $624.21$571.00Experience shooting versatility with the PWS MK1 MOD 2-M Multi-Caliber Lower Receiver. Crafted from robust 7075-T651 Forged Aluminum and finished with Mil 8625 Type lll Class 2 hard coat anodize, this lower empowers shooters to customize their rifle with...MSRP: $624.21$571.00 -
PWS MK1 MOD 2-M STRIPPED LOWER
Primary Weapons Systems
MSRP: $374.94$320.00Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, they tested their compensators on all different types of rifles - from M4s to AK-47s. After using both styles of rifles in testing with high...MSRP: $374.94$320.00 -
LANTAC RVN BLLT BUILDER SET 10.5 RL
LanTac USA LLC
MSRP: $773.94$673.00The Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $773.94$673.00 -
LANTAC RVN BLLT BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $754.39$656.00The Lantac AR-15 builder set includes an upper and lower receiver, along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $754.39$656.00 -
LANTAC SF FRGD BUILDER SET 13.5 RL
LanTac USA LLC
MSRP: $591.66$515.00Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...MSRP: $591.66$515.00 -
LANTAC SF FRGD BUILDER SET 12.5 RL
LanTac USA LLC
MSRP: $587.06$511.00Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...MSRP: $587.06$511.00 -
LANTAC SF FRGD BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $614.36$492.00Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...MSRP: $614.36$492.00 -
GGP BILLET LOWER RCVR
Grey Ghost Precision
MSRP: $170.65$122.00The MKII version of the GGP-S Series brings a new level of customizability never before seen in our rifle receivers. Not only can you build your own version of the Heavy or Light rifle, but you can use your favorite aftermarket parts to complete the...MSRP: $170.65$122.00 -
FORTIS LICENSE GEN II AR15 LWR STD
Fortis Manufacturing Inc.
MSRP: $279.00$224.00Introducing the Fortis License Lower Receiver. Made from 7075 T6 billet aluminum. The GEN II has all the same features from the first edition, but with added integrated carbon fiber.MANUFACTURER: Fortis Manufacturing, Inc.MPN: L-7075-GEN2-SMODEL: License...MSRP: $279.00$224.00