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 BROWN
Radian Weapons
MSRP: $592.19$514.95Machined 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$514.95 -
RADIAN A-DAC 15 LOWER RECEIVER FDE
Radian Weapons
MSRP: $592.19$514.95Machined 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$514.95 -
PWS MK1 2-M COMP LOWER KODIAK BROWN
Primary Weapons Systems
MSRP: $624.21$542.79Experience 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$542.79 -
ODIN OTR-15 BILLET RECEIVER SET BLK
Odin Works
MSRP: $591.38$473.10Build your rifle from a strong foundation! Boasting aesthetics, performance, and practical features, the OTR-15 receiver set is the start to your dream rifle. Hours of meticulous design, engineering, and testing went into crafting the OTR-15 Lower...MSRP: $591.38$473.10 -
ODIN OTR-15 BILLET RECEIVER SET RGRN
Odin Works
MSRP: $591.38$473.10The OTR-15 lower is machined in house from billet 7075 aluminum with features and style in mind. Machined to match the ODIN Works billet upper, the OTR-15 Receiver Set provides a best in class chassis. The Billet Upper Receiver has a sleek design "No...MSRP: $591.38$473.10 -
MAGNUM SWITCHBOLT 22LR RECEIVER
Magnum Research
MSRP: $407.81$326.25The SwitchBolt is born of extensive research and development, tested and perfected on the professional speed shooting circuit. Built in the USA, the SwitchBolt receivers, with integral Picatinny rail, are machined from a 6061-T6 forging, then hard coat...MSRP: $407.81$326.25 -
LANTAC RAVEN BLLT SIDE CHRGR RECVER
LanTac USA LLC
MSRP: $569.23$455.38Utilizing the USC Upper Side Charging Receiver in combination with the LA-N15 Raven lower this perfectly matched billet receiver set is ideal for new rifle builds in multi calibers. Packed full of features including a broached internally flared magwell,...MSRP: $569.23$455.38 -
LANTAC SF FRGD BUILDER SET 15 RL
LanTac USA LLC
MSRP: $603.16$524.49Lantac 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: $603.16$524.49 -
LANTAC SF FRGD BUILDER SET 13.5 RL
LanTac USA LLC
MSRP: $591.66$514.49Lantac 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$514.49 -
LANTAC SF FRGD BUILDER SET 12.5 RL
LanTac USA LLC
MSRP: $587.06$510.49Lantac 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$510.49 -
LANTAC SF FRGD BUILDER SET 10.5 RL
LanTac USA LLC
MSRP: $579.01$503.49Lantac 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: $579.01$503.49 -
LANTAC SF FRGD BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $614.36$491.49Lantac 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$491.49