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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LANTAC SF FRGD BUILDER SET 12.5 RL
LanTac USA LLC
MSRP: $587.06$511.00Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...MSRP: $587.06$511.00 -
LANTAC SF FRGD BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $614.36$492.00Lantac AR-15 builder set includes an upper and lower receiver along with an M-LOK handguard. Their forged receiver set is packed with 'above milspec' features, making it an ideal choice for shooters seeking an upgraded configuration while maintaining a...MSRP: $614.36$492.00 -
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 -
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
SPIKES RARE BREED CRUSADER LOWER RECEIVER STLB960PCH
SPIKES
$437.00Spikes Rare Breed Crusader multicaliber stripped lower is made to the highest standards. It is constructed of 7075T6 forged aluminum with a black hard coat anodized finish. This model features the painted crusader. NOTE Requires a lower parts kit buffer ...$437.00 -
Out of stock
SPIKES RARE BREED CRUSADER LOWER RECEIVER STLB960
SPIKES
$369.00Spikes Rare Breed Crusader multicaliber stripped lower is made to the highest standards. It is constructed of 7075T6 forged aluminum with a black hard coat anodized finish. NOTE Requires a lower parts kit buffer stock to complete.$369.00 -
Out of stock
SPIKES RARE BREED SAMURAI LOWER RECEIVER STLB630
SPIKES
$329.00Inspired by the Samurai warrior this lower honors the warrior mindset. Technology evolves warriors never change. This lower is designed by Rare Breed Firearms for exclusive distribution by Spikes Tactical. This multi caliber lower receiver uses a...$329.00 -
Out of stock
DESERT TECH QUATTRO-15 LOWER RECEIVER QTRLR15B53
DESERT TECH
$309.00The Quattro15 lower receiver accepts the Quadmag53 Desert Techs 53 round magazine and standard AR pattern mags. The lower receiver is drop in capable will all standard AR15 upper receivers. The Quattro15s 53 round magazines give patriots the ability to...$309.00 -
Out of stock
BRAVO BCM LOWER MOD 0 LRGSTKMOD0FDE
Bravo Company
$525.00Bravo Company, BCM, Semi-automatic, Complete Lower Receiver, 223 Remington/5.56 NATO, Flat Dark Earth, BCM Specifications UPC 812526020932 Manufacturer Bravo Company Manufacturer Part...$525.00