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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Out of stock
ODIN OTR-15 BILLET RECEIVER SET BLK
Odin Works
MSRP: $591.38$474.00Build 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$474.00 -
Out of stock
ODIN BILLET LOWER RECEIVER
Odin Works
MSRP: $414.44$332.00The OTR-15 lower is machined in house from billet 7075 aluminum with exacting tolerances, features and style in mind. Machined to match the ODIN Works billet upper, the OTR-15 stripped lower gives you unrivaled performance with eye catching lines...MSRP: $414.44$332.00 -
Out of stock
ODIN OTR-15 BILLET RECEIVER SET RGRN
Odin Works
MSRP: $591.38$474.00The 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$474.00 -
Out of stock
NOVESKE CHAINSAW UPPER/LOWER SET BLK
Noveske
MSRP: $568.61$455.00Noveske Rifleworks is an American firearms company. They are headquartered in Grants Pass, Oregon and are known for their work with the AR-15 platform and the KeyMod system.MANUFACTURER: NoveskeMPN: 04000879MODEL: ChainsawAction:...MSRP: $568.61$455.00 -
Out of stock
LANTAC RAVEN BLLT SIDE CHRGR RECVER
LanTac USA LLC
MSRP: $569.23$456.00Utilizing 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$456.00 -
Out of stock
LANTAC RAVEN BILLET RECEIVER SET BLK
LanTac USA LLC
MSRP: $614.99$492.00Machined from certified 7075-T6 Aluminum and Type 3 Hardcoat Anodized Class2, Deep Black, the matched billet receiver sets are manufactured to the highest quality standards with excellent fit between parts.MANUFACTURER: LanTac USA LLCMPN:...MSRP: $614.99$492.00 -
Out of stock
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 -
Out of stock
GGP AR15 BILLET RCVR SET W/15 HG BK
Grey Ghost Precision
MSRP: $618.93$539.00Now you can start your next AR build right with the GGP MKII Billet AR-15 Builder's Set! Includes a GGP MKII Billet Receiver Set, GGP MKII 15 inch Handguard. MKII Billet Receiver Set: The MKII Billet receiver set brings a new level of customizability...MSRP: $618.93$539.00 -
Out of stock
GGP AR15 BILLET RCVR SET SNIPER GRY
Grey Ghost Precision
MSRP: $458.85$368.00The new MKII version of the GGP-P Series brings a new level of customizability never before seen in the 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: $458.85$368.00 -
Out of stock
FORTIS LICENSE GEN II AR15 SET STD
Fortis Manufacturing Inc.
MSRP: $498.69$399.00Introducing 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: LM-7075-GEN2-SMODEL:...MSRP: $498.69$399.00 -
Out of stock
FORTIS LICENSE GEN II AR15 SET AMBI
Fortis Manufacturing Inc.
MSRP: $516.50$414.00Introducing 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: LM-7075-GEN2-AMODEL:...MSRP: $516.50$414.00 -
Out of stock
BCM LOWER GROUP W/BCM STK MOD0 FDE
Bravo Company
MSRP: $603.75$525.00Exacting construction and rigorous durability are the standard for every weapon system that comes off the line at BCM. BCM Professional Grade Weaponry are hard use tools, built to perform in combat where unfailing performance is the only standard for men...MSRP: $603.75$525.00