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
CMMG LOWER MK4/AR15 BLK
CMMG
MSRP: $160.26$115.00Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR-15 stripped lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a Armor Black finish and can be assembled...MSRP: $160.26$115.00 -
Out of stock
BAD XIPHOS LOWER RECEIVER 9MM GLK
Battle Arms Development
MSRP: $298.75$239.00BATTLEARMS XIPHOS Dedicated Lower Receiver. Uses GLOCK Magazines - Small Frame Glock Calibers. Is not compatible with CMMG Delayed Blowback systems that use an AR Style magazine and Bolt Carrier Group.MANUFACTURER: Battle Arms DevelopmentMPN:...MSRP: $298.75$239.00 -
Out of stock
BALLISTIC BA10 308 LOWER RECEIVER
Ballistic Advantage
MSRP: $262.49$210.00High quality components and precise manufacturing make Ballistic Advantage firearms ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will ensure years of service you can count on. The...MSRP: $262.49$210.00 -
Out of stock
ATI AR-15 MULTI CAL RECEIVER BLK
American Tactical
MSRP: $67.51$49.00Machined from 7075-T6 aircraft grade billet aluminum, this stripped lower is ready for your next custom AR15 build.MANUFACTURER: American TacticalMPN: ATIGLOWMSMODEL: MilsportAction: Semi-automaticCaliber: 223 RemingtonType: Stripped Lower ReceiverColor:...MSRP: $67.51$49.00 -
Out of stock
AERO M4E1 PRO STRIPPED LOWER KOD BRN
Aero Precision
MSRP: $337.49$270.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. All proprietary...MSRP: $337.49$270.00 -
Out of stock
AERO M4E1 PRO STRIPPED LOWER ODG
Aero Precision
MSRP: $337.49$270.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. All proprietary...MSRP: $337.49$270.00 -
Out of stock
AERO M4E1 PRO STRIPPED LOWER BLK
Aero Precision
MSRP: $337.49$270.00The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. All proprietary...MSRP: $337.49$270.00 -
Out of stock
AERO M4E1 STRIPPED LOWER KODIAK BRN
Aero Precision
MSRP: $195.99$140.00The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades, this custom-engineered design...MSRP: $195.99$140.00 -
Out of stock
AERO M4E1 STRIPPED LOWER ODG
Aero Precision
MSRP: $195.99$140.00The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades, this custom-engineered design...MSRP: $195.99$140.00 -
Out of stock
AERO M5 AR10 STRIPPED LWR ODG
Aero Precision
MSRP: $202.99$145.00The M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.MANUFACTURER: Aero PrecisionMPN: APAR308181CMODEL: M5Action:...MSRP: $202.99$145.00 -
Out of stock
AERO AR9 LOWER RECEIVER 9/40 FDE
Aero Precision
MSRP: $265.99$190.00The EPC-9 Lower Receiver delivers billet aesthetics in a forged package for your next pistol caliber build. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and has several functional features, much like the M4E1, to help simplify...MSRP: $265.99$190.00 -
Out of stock
AERO AR9 LOWER RECEIVER 9/40 BLK
Aero Precision
MSRP: $237.99$170.00The EPC-9 Lower Receiver delivers billet aesthetics in a forged package for your next pistol caliber build. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and has several functional features, much like the M4E1, to help simplify...MSRP: $237.99$170.00