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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FMK AR15 POLYMER LOWER RECEIVER BLUE
FMK Firearms
MSRP: $55.93$40.00Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the...MSRP: $55.93$40.00 -
FMK AR15 POLYMER LOWER RECEIVER BB
FMK Firearms
MSRP: $44.79$33.00Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the...MSRP: $44.79$33.00 -
FAXON RECEIVER KIT FOR 10/22 BLK
Faxon Firearms
MSRP: $238.28$171.00The Faxon 10/22 Receiver Kit provides a quick and easy upgrade of your Ruger 10/22, or serves as the cornerstone for your next 10/22 rifle build. Faxon 10/22 Receivers are compatible with all Ruger OEM 10/22 non-takedown components, all Faxon Rimfire...MSRP: $238.28$171.00 -
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 -
BCM GUNFIGHTER LOWER GROUP SPMD BLK
Bravo Company
MSRP: $603.75$525.00The Bravo Company Manufacturing Complete AR-15 Lower Receiver is built to Mil-Spec ensuring compatibility with a wide range of parts and accessories. This AR-15 lower comes fully assembled and ready to attach to any Mil-Spec complete upper. The receiver...MSRP: $603.75$525.00 -
BCM LOWER GROUP W/BCM STK MOD 0 BLK
Bravo Company
MSRP: $603.75$525.00BCM rifles and carbines are some of the highest quality modern sporting rifles on the market today. Whether it's competition, defense, hunting or duty, BCM offers a rifle for the task at hand.MANUFACTURER: Bravo CompanyMPN: LRG-STK-MOD-0-BLKMODEL:...MSRP: $603.75$525.00 -
BOOTLEG AMBI RECEIVER SET AR 15 BLK
Bootleg
MSRP: $574.94$460.00Machined 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$460.00 -
BALLISTIC ENHCD AR 15 LOWER RCVR
Ballistic Advantage
MSRP: $195.99$140.00The Ballistic Advantage AR15 Enhanced 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...MSRP: $195.99$140.00 -
Out of stock
AERO M4E1 STRIPPED LOWER FDE
Aero Precision
MSRP: $223.99$160.00The 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: $223.99$160.00 -
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 -
Out of stock
RF FL MILSPEC STRP LOWER AR15 - 814034023702
Radical
$58.00RF FL MILSPEC STRP LOWER AR15RF FL MILSPEC STRP LOWER AR15$58.00 -
Out of stock
DPMS DP-15 STRIPPED LOWER RECEIVER - 850032424035
DPMS
$55.00DPMS DP-15 STRIPPED LOWER RECEIVER DPMS DPDA151000 DP-15 STRIPPED LOWER RECEIVERThese forged stripped lowers are made using the most advanced aerospace manufacturing technology to produce the industries finest, forged Mil-Spec lowers. The receivers are...$55.00