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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FORTIS LICENSE GEN II AR15 SET AMBI
Fortis Manufacturing Inc.
MSRP: $516.50$0.00Introducing the Fortis License Lower Receiver. Made from 7075 T6 billet aluminum. The GEN II has all the same features from the first edition, but with added integrated carbon fiber.MANUFACTURER: Fortis Manufacturing, Inc.MPN: LM-7075-GEN2-AMODEL:...MSRP: $516.50$0.00Qty in Cart: 0Quantity:Price:MSRP: $516.50$0.00Subtotal: -
FORTIS LICENSE GEN II AR15 LWR STD
Fortis Manufacturing Inc.
MSRP: $279.00$0.00Introducing the Fortis License Lower Receiver. Made from 7075 T6 billet aluminum. The GEN II has all the same features from the first edition, but with added integrated carbon fiber.MANUFACTURER: Fortis Manufacturing, Inc.MPN: L-7075-GEN2-SMODEL: License...MSRP: $279.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $279.00$0.00Subtotal: -
FORTIS LICENSE GEN II AR15 LWR AMBI
Fortis Manufacturing Inc.
MSRP: $296.81$0.00Introducing the Fortis License Lower Receiver. Made from 7075 T6 billet aluminum. The GEN II has all the same features from the first edition, but with added integrated carbon fiber.MANUFACTURER: Fortis Manufacturing, Inc.MPN: L-7075-GEN2-AMODEL: License...MSRP: $296.81$0.00Qty in Cart: 0Quantity:Price:MSRP: $296.81$0.00Subtotal: -
FN FN15 STRPD LWR RCVR M16 MILITARY
FN America
MSRP: $201.60$0.00Tailored after FN's production of U.S. Military issued carbinesand made to FN's exacting specification, the replica strippedreceivers are the heart of an authentic M4 or M16 build. Forgedfrom 7075-T6 aluminum, machined, and broached to preciseMIL-SPEC...MSRP: $201.60$0.00Qty in Cart: 0Quantity:Price:MSRP: $201.60$0.00Subtotal: -
FN FN15 STRPD LWR RCVR M4 MILITARY
FN America
MSRP: $201.60$0.00Tailored after FN's production of U.S. Military issued carbines and made to FN's exacting specification, the replica stripped receivers are the heart of an authentic M4 or M16 build. Forged from 7075-T6 aluminum, machined, and broached to precise...MSRP: $201.60$0.00Qty in Cart: 0Quantity:Price:MSRP: $201.60$0.00Subtotal: -
FMK AR15 POLYMER LOWER RECEIVER BLUE
FMK Firearms
MSRP: $55.93$0.00Manufactured 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $55.93$0.00Subtotal: -
FMK AR15 POLYMER LOWER RECEIVER BB
FMK Firearms
MSRP: $44.79$0.00Manufactured 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $44.79$0.00Subtotal: -
FMK AR15 POLYMER LOWER RECEIVER BLK
FMK Firearms
MSRP: $44.79$0.00This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight at only 4.3oz. The AR1 extreme is by far the strongest composite polymer lower on the market today.MANUFACTURER: FMK FirearmsMPN: FMKGAR1EMODEL:...MSRP: $44.79$0.00Qty in Cart: 0Quantity:Price:MSRP: $44.79$0.00Subtotal: -
FMK AR15 POLYMER LOWER RECEIVER FDE
FMK Firearms
MSRP: $44.79$0.00Manufactured 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $44.79$0.00Subtotal: -
FAXON RECEIVER KIT FOR 10/22 BLK
Faxon Firearms
MSRP: $238.28$0.00The 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $238.28$0.00Subtotal: -
DBST STAR-15 STRIPPED LOWER AR15
Doublestar Corp.
MSRP: $132.99$0.00Doublestar 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $132.99$0.00Subtotal: -
DBF DB15 LOWER RCVR MULTI CAL BLK
Diamondback Firearms
MSRP: $91.00$0.00Diamondback 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$0.00Qty in Cart: 0Quantity:Price:MSRP: $91.00$0.00Subtotal: