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
DBST STAR-15 STRIPPED LOWER AR15
Doublestar Corp.
MSRP: $132.99$95.00Doublestar Corp. makes high quality firearm components for the AR Platform. This stripped lower is the perfect base for your next custom AR build.MANUFACTURER: Doublestar Corp.MPN: DSCL101MODEL: Stripped LowerAction: Semi-automaticFinish:...MSRP: $132.99$95.00 -
Out of stock
DBF DB15 LOWER RCVR MULTI CAL BLK
Diamondback Firearms
MSRP: $91.00$61.00Diamondback Firearms is proud to announce its line of DB15 rifles made entirely in the USA! Starting with the tried-and-true, U.S. Military-proven gas-impingement system and using only the highest quality components machined in Diamondback's CNC facility...MSRP: $91.00$61.00 -
CMMG LOWER SUB-ASSY MK9 BLK
CMMG
MSRP: $227.78$0.00As CMMG's oldest 9mm platform, the Mk9 is continuing to go through changes to become even better than before. Introducing, the new and improved Mk9, now utilizing CMMG's patented Radial Delayed Blowback operating system. Radial Delayed Blowback...MSRP: $227.78$0.00Qty in Cart: 0Quantity:Price:MSRP: $227.78$0.00Subtotal: -
Out of stock
CMMG LOWER MK4/AR15 BLK
CMMG
MSRP: $160.26$114.00Precision 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$114.00 -
Out of stock
CMMG LOWER ASSY MK3 308WN BLK
CMMG
MSRP: $421.86$338.00Based 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$338.00 -
Out of stock
BCM LOWER GROUP W/MILSPEC M4 STOCK
Bravo Company
MSRP: $493.75$395.00BCM 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-M4MODEL:...MSRP: $493.75$395.00 -
Out of stock
BAD WORKHORSE COMPLETE LOWR B5 STOCK
Battle Arms Development
MSRP: $462.49$370.00This complete WORKHORSE Rifle Lower with B5 Systems Bravo Stock is fully assembled and ready for your rifle upper.MANUFACTURER: Battle Arms DevelopmentMPN: WH-LR-R-B5MODEL: WorkhorseAction: Semi-automaticFinish: AnodizedCaliber: MultiType: Complete Lower...MSRP: $462.49$370.00 -
Out of stock
BAD WORKHORSE LOWER RECEIVER BLK
Battle Arms Development
MSRP: $175.00$125.00Battle Arms Development, Inc. (B.A.D. Inc.) is a design, research, and development firm incorporated in 2009 with a focus on small arms design including firearm components, tools, gauges, accessories, and complete weapon systems. Their Workhorse lower...MSRP: $175.00$125.00 -
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
BALLISTIC ADVANTAGE AR 15 LOWER RCVR
Ballistic Advantage
MSRP: $167.99$120.00The Ballistic Advantage AR15 Lower Receiver is the perfect base for your next build. This high quality, mil-spec lower receiver is machined from 7075-T6 forged aluminum with a hard-coat anodized finish. It features a nylon tipped upper tension screw,...MSRP: $167.99$120.00 -
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