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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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 -
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 -
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 -
AERO M5 AR10 STRIPPED LWR KODIAK BRN
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: APAR308065CMODEL: M5Action:...MSRP: $202.99$145.00 -
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 -
AERO M4E1 STRIPPED LOWER BLACK
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 -
AERO X15 AR15 STRPD LOWER GEN2 BLACK
Aero Precision
MSRP: $167.99$120.00The Aero Precision X15 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: $167.99$120.00 -
Out of stock
WILSON COMBAT MIL-SPEC LOWER RECEIVER TRLOWERANO
Wilson Combat
$103.00The Billet AR15 MilSpec features 7075T6 forgings machined to MilSpec Plus tolerances and a MilSpec type 3 hard anodize black finish. Good match with Wilson BilletAR upper receivers and any standard AR barrel. Note Requires a lower parts kit buffer stock...$103.00 -
S&W RECEIVER COMPLETE LOWER RECEIVER 812002
Smith & Wesson
$0.00Smith Wesson MP 15 Complete AR15 5.56 lower receiver with standard trigger group collapsible stock. It comes with standard AR15 grip.$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
Out of stock
SHIELD ARMS LOWER RECEIVER SAO15
Shield Arms
$113.00The Shield Arms Partisan Sling was designed by former Green Beret and RD Gremlin Tyler Imig and brings together his years of experience along with all the best features of slings hes used into one superior sling design. TwoStage progressive tension...$113.00 -
RUGER AR-556 LOWER RECEIVER 8516
Ruger
$0.00Rugers AR556 Lower has a sixposition telescoping Magpul MOE carbine buttstock and MilSpec buffer tube which allows the rifle to be properly sized for different shooters. The ergonomic pistol grip features an extended trigger reach for more precise...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
RUGER AR-556 LOWER RECEIVER 8506
Ruger
$0.00This Ruger AR lower receiver makes a great centerpiece component for those looking to build their own modern sporting rifle. It is CNCmachined from forged 7075T6 aluminum with a hardcoat anodized finish. NOTE Requires a lower parts kit buffer stock of...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: