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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FORTIS LICENSE GEN II AR15 SET AMBI
Fortis Manufacturing Inc.
MSRP: $516.50$413.20Introducing 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$413.20 -
CMMG LOWER ASSY MK3 308WN BLK
CMMG
MSRP: $421.86$337.49Based off the popular high pattern LR-308, the tried-and-true Mk3 line is designed to handle larger calibers unsuitable for the AR-15 platform like .308 Win or 6.5 Creedmoor.MANUFACTURER: CMMGMPN: 38CA2AC-ABMODEL: MK3Action: Semi-automaticFinish:...MSRP: $421.86$337.49 -
BOOTLEG AMBI RECEIVER SET AR 15 BLK
Bootleg
MSRP: $574.94$459.95Machined out of 7075 Billet aluminum and designed to match their newly released Upper Receiver, The Smuggler is their exciting first step into Lower receivers. Weighing in at 9.85 ounces and MIL-SPEC Hard Anodized this lower receiver will stand the test...MSRP: $574.94$459.95 -
AERO AR15 ENHANCED COMPLETE LWR STR
Aero Precision
MSRP: $462.49$369.99The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features the M4E1 Lower Receiver and is upgraded to include a Magpul MOE Grip and STR Stock.MANUFACTURER: Aero PrecisionMPN: APAR600103MODEL: M4E1Action:...MSRP: $462.49$369.99 -
Out of stock
SOLGW M4 LOWER LFT A5 BRAVO RBL STRP
Sons of Liberty Gun Works
MSRP: $643.99$559.99Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. This is evident in their complete...MSRP: $643.99$559.99 -
Out of stock
SOLGW COMPLETE LOWER RECEIVER
Sons of Liberty Gun Works
MSRP: $534.38$427.50Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. This is evident in their complete...MSRP: $534.38$427.50 -
SHARPS GEN2 OVERTHROW BILLET LWR BRZ
Sharps Bros.
MSRP: $425.00$340.00Sharps Bros. builds a series of custom AR-15 lower receivers and has evolved from a one-man business to a full-fledged firearm design and manufacturing organization.MANUFACTURER: Sharps Bros.MPN: SBLR07-BD-BRONZEMODEL: SBLR07Action:...MSRP: $425.00$340.00 -
Out of stock
SHARPS BADLANDS EDITION STRIPPED LWR
Sharps Bros.
MSRP: $422.64$338.11The Jack - Gen2 features now include a threaded bolt catch pin, reduced weight and improved styling - and lower costs to you.MANUFACTURER: Sharps Bros.MPN: SBLR03-BADLANDSMODEL: The JackAction: Semi-automaticFinish: AnodizedCaliber: MultiType: Stripped...MSRP: $422.64$338.11 -
Out of stock
SANTAN STT-15L LT PLR RCVR MULTI ODG
San Tan Tactical
MSRP: $589.66$471.73The 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$471.73 -
SANTAN STT-15 PILLAR 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 -
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 -
Out of stock
RADIAN A-DAC 15 LOWER RECEIVER GRAY
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