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
AERO AR9 COMPLETE LOWER 9/40 BLK
Aero Precision
MSRP: $449.99$359.99The Aero Precision EPC-9 Complete Lower Receiver is the perfect base for your custom AR9 build. This lower receiver comes without a stock/brace giving the builder flexibility to choose exactly what configuration they want the first time.MANUFACTURER:...MSRP: $449.99$359.99 -
AERO AR9 LOWER RECEIVER 9/40 FDE
Aero Precision
MSRP: $265.99$189.99The 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$189.99 -
Out of stock
AERO M5 AR10 COMPLETE LOWER BLK
Aero Precision
MSRP: $493.74$394.99Aero Precision's M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. Save when you buy it complete and let their specialist do the installation for you!MANUFACTURER: Aero PrecisionMPN: APAR308214MODEL: M5Action:...MSRP: $493.74$394.99 -
Out of stock
AERO AR15 CARBINE COMPLETE LOWER BLK
Aero Precision
MSRP: $343.74$274.99Aero Precision's AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. Save when you buy it complete and let our specialist do the installation for you!MANUFACTURER: Aero PrecisionMPN: APAR501374MODEL: Carbine CompleteAction:...MSRP: $343.74$274.99 -
Out of stock
AERO M4A1 CLONE STRIPPED LWR
Aero Precision
MSRP: $181.99$129.99The M4A1 Clone Lower Receiver features custom engraving on the AR15 Gen 2 Lower Receiver and is the perfect base for your M4A1 clone build.MANUFACTURER: Aero PrecisionMPN: APAR148018CMODEL: LowerAction: Semi-automaticDescription: M4A1 Clone LowerFinish:...MSRP: $181.99$129.99 -
Out of stock
AERO M16A4 CLONE STRIPPED LWR
Aero Precision
MSRP: $181.99$129.99The M16A4 Clone Lower Receiver features custom engraving on the AR15 Gen 2 Lower Receiver and is the perfect base for your M16A4 clone build. These lowers do not have engraving on the right side of the magwell.MANUFACTURER: Aero PrecisionMPN:...MSRP: $181.99$129.99 -
Out of stock
AERO AR15 ENHANCED COMPLETE LOWER BK
Aero Precision
MSRP: $481.24$384.99The AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. The Enhanced Complete Lower features a Magpul MOE Grip, Magpul STR Stock and Billet Trigger Guard.MANUFACTURER: Aero PrecisionMPN: APAR501112MODEL: Standard Gen 2...MSRP: $481.24$384.99 -
Out of stock
AERO M5 AR10 STRIPPED LWR FDE
Aero Precision
MSRP: $287.49$229.99The 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: APAR308005CMODEL: M5Action:...MSRP: $287.49$229.99 -
AERO AR15 STRIPPED LOWER GEN 2 FDE
Aero Precision
MSRP: $195.99$139.99The Aero Precision AR15 Gen 2 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, these lowers work with standard AR15 components and ensure the highest quality with a correct component interface...MSRP: $195.99$139.99 -
Out of stock
FIGHT SCR RAIDER LOWER 223/556 BLK
FightLite
MSRP: $742.89$645.99Now you can assemble your own custom, rifle caliber - pistol powerhouse with the SCR Pistol Lower Receiver Assembly! Includes everything that's needed; simply add your choice of AR/M4 upper, magazine, bolt and firing pin and you've got it made with no...MSRP: $742.89$645.99 -
Out of stock
BCM PSTL LOWER GROUP W/RCVR EXT 556
Bravo Company
MSRP: $603.75$525.00This BCM Receiver is machined from an aluminum forging 7075-T6, Hardcoat Anodized (per MIL-A-8625F, Type III, Class 2)MANUFACTURER: Bravo CompanyMPN: LRG-PISTOLMODEL: BCMAction: Semi-automaticCaliber: 556NATOGrips: BCMType: Complete Lower ReceiverColor:...MSRP: $603.75$525.00