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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SHARPS GEN2 WARTHOG BILLET LOWER
Sharps Bros.
MSRP: $332.44$266.00The Warthog Gen2 features now include a threaded bolt catch pin, reduced weight and improved styling - and lower costs to you. Warthog's design is inspired by the A-10 Warthog aircraft.MANUFACTURER: Sharps Bros.MPN: SBLR02MODEL: SBLR02Action:...MSRP: $332.44$266.00 -
SEEKINS SP223 GEN2 BILLET LOWER LOGO
Seekins Precision
MSRP: $348.75$279.00Precision CNC machined from solid billet aluminum, the SP223 Billet Lower is the best AR lower receiver available. Far exceeding Mil-Spec requirements, the SP 223 has features not found on standard lowers such as the Seekins Precision Enhanced Bolt...MSRP: $348.75$279.00 -
SANTAN STT-15L LT PLR LWR RCVR ODG
San Tan Tactical
MSRP: $342.80$275.00The STT-15L has all the same great aesthetics as SanTan's standard STT-15 Receiver Combo but incorporates a significant weight reduction. They set out to design the STT-15L for those who participate in 3-gun, hunting, or any other shooting activity where...MSRP: $342.80$275.00 -
SANTAN STT-15 PILLAR LWR RCVR ODG
San Tan Tactical
MSRP: $342.80$275.00The STT-15 lower receiver was born out of necessity and a desire to have a true ambidextrous AR-15 M4 platform. Allowing it to accommodate all shooters without the need to add countless costly add-ons. Whether you are a right- or left-handed shooter, or...MSRP: $342.80$275.00 -
SANTAN STT-15L LT PLR RCVR MULTI ODG
San Tan Tactical
MSRP: $589.66$472.00The STT-15 was born out of a desire to develop a true ambidextrous AR-15 pattern weapon system, built to the tightest possible tolerances. The full suite of ambidextrous controls comes standard on all Pillar AMBI receiver sets and lowers and allows for...MSRP: $589.66$472.00 -
SANTAN STT15 PLR RCVER CMBO MULTI OD
San Tan Tactical
MSRP: $589.66$472.00The STT-15 was born out of a desire to develop a true ambidextrous AR-15 pattern weapon system, built to the tightest possible tolerances. The full suite of ambidextrous controls comes standard on all Pillar AMBI receiver sets and lowers and allows for...MSRP: $589.66$472.00 -
SANTAN STT-15 BILLET LOWER RECEIVER
San Tan Tactical
MSRP: $326.25$261.00San Tan Tactical believes in America, and the heritage upon which this great nation was built. They only use the highest quality machine's in conjunction with the highest quality American made materials.MANUFACTURER: San Tan TacticalMPN: STT-15MODEL:...MSRP: $326.25$261.00 -
SANTAN STT-15L LT RECEIVER SET
San Tan Tactical
MSRP: $562.50$450.00San Tan Tactical believes in America, and the heritage upon which this great nation was built. They only use the highest quality machine's in conjunction with the highest quality American made materials.MANUFACTURER: San Tan TacticalMPN:...MSRP: $562.50$450.00 -
RISE STRIPPED AR 15 LOWER BLK
Rise Armament
MSRP: $161.00$115.00RISE STRIPPED AR 15 LOWER BLKMANUFACTURER: Rise ArmamentMPN: RA-SL-223MODEL: Stripped Lower ReceiverAction: Semi-automaticFinish: AnodizedCaliber: MultiType: Stripped Lower ReceiverColor: BlackMSRP: $161.00$115.00 -
RADIAN BUILDER KIT 8.5 OD GREEN
Radian Weapons
MSRP: $1,378.54$1,220.00The 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: $1,378.54$1,220.00 -
RADIAN BUILDER KIT 8.5 BLACK
Radian Weapons
MSRP: $1,378.54$1,220.00The 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: $1,378.54$1,220.00 -
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