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
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 -
BALLISTIC BA10 308 LOWER RECEIVER
Ballistic Advantage
MSRP: $262.49$209.99High 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$209.99 -
AERO M4E1 STRIPPED LOWER KODIAK BRN
Aero Precision
MSRP: $195.99$139.99The 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$139.99 -
AERO AR15 ENHANCED COMPLETE LWR STR
Aero Precision
MSRP: $462.49$369.99The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features the M4E1 Lower Receiver and is upgraded to include a Magpul MOE Grip and STR Stock.MANUFACTURER: Aero PrecisionMPN: APAR600103MODEL: M4E1Action:...MSRP: $462.49$369.99 -
Out of stock
WMD NIBX FORGED MATCHED SET UPPR/LWR
WMD Guns
MSRP: $325.13$260.10Mil-Spec 7075-T6 Aluminum Forging Machined To Mil Spec Dimensions, Front Magazine Well Finger Grips, Nib-X Nickel Boron Coated For Durability UPPER RECEIVER: Mil-Spec 7075-T6 Aluminum Forging With M4 Feed Ramps. Nib-X Coated For Lubricity And Durability...MSRP: $325.13$260.10 -
Out of stock
SPIKE S STRIPPED UPPER/LOWER SET SPI
Spike's Tactical
MSRP: $264.38$211.50Spike's Tactical strives to build the highest quality products and offer them at the best possible price to the consumer. It doesn't matter if you are simply a gun enthusiast, a competitive 3 gun shooter or a military or law enforcement professional,...MSRP: $264.38$211.50 -
SPIKE S STRIPPED LOWER (CRUSADER)
Spike's Tactical
MSRP: $149.94$107.10Spike's lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day, you can't go wrong with Spike's lower receivers.MANUFACTURER: Spike's TacticalMPN: STLS022MODEL: STLS022Action:...MSRP: $149.94$107.10 -
SPIKE S STRIPPED LOWER (GADSDEN)
Spike's Tactical
MSRP: $149.94$107.10The Spikes Tactical Forged AR-15 lower receiver is perfect for your next AR-15 build. This particular lower receiver features the Gadsden logo which has not been color filled. The lower is made from 7075 T6 aluminum and is finished with a Type III hard...MSRP: $149.94$107.10 -
Out of stock
SPIKE S STRIPPED LWR ST9 9MM CLT MAG
Spike's Tactical
MSRP: $225.54$161.10Spike's lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day, you can't go wrong with Spike's lower receivers.MANUFACTURER: Spike's TacticalMPN: STLS910MODEL: ST9Action:...MSRP: $225.54$161.10 -
Out of stock
SPIKE S STRIPPED LOWER (SNOWFLAKE) STLS030-CFA
Spike's Tactical
MSRP: $181.44$129.60Spike's Tactical stripped lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day you can't go wrong with Spike's lower receivers.MANUFACTURER: Spike's TacticalMPN: STLS030-CFAMODEL:...MSRP: $181.44$129.60 -
Out of stock
SOLGW FRWRD CONTROLS DESIGN AMBI LWR
Sons of Liberty Gun Works
MSRP: $391.88$313.50This lower receiver was jointly designed with Forward Controls Design, and pairs perfectly with a number of their enhanced control parts.MANUFACTURER: Sons of Liberty Gun WorksMPN: FCD-AMBI-LRMODEL: 0Action: Semi-automaticFinish: AnodizedCaliber: 223...MSRP: $391.88$313.50 -
Out of stock
SOLGW R/S STRIPPED LOWER
Sons of Liberty Gun Works
MSRP: $199.50$142.50In 1767, the Sons of Liberty adopted a flag called the Rebellious Stripes with nine uneven vertical stripes (five red and four white). That Flag is the inspiration for SOLGW Rebellious Stripes Lower Receiver.MANUFACTURER: Sons of Liberty Gun WorksMPN:...MSRP: $199.50$142.50