AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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LANTAC RVN BLLT BUILDER SET 12.5 RL
LanTac USA LLC
MSRP: $781.99$0.00The Lantac AR-15 builder set includes an upper and lower receiver, along with an M-LOK handguard. Their Raven billet receiver set is machined from certified 7075-T6 aluminum and finished with Type 3 Hardcoat. The lower receiver features a 45-degree BAD...MSRP: $781.99$0.00Qty in Cart: 0Quantity:Price:MSRP: $781.99$0.00Subtotal: -
LANTAC SF FRGD BUILDER SET 15 RL
LanTac USA LLC
MSRP: $603.16$0.00Lantac 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: $603.16$0.00Qty in Cart: 0Quantity:Price:MSRP: $603.16$0.00Subtotal: -
LANTAC SF FRGD BUILDER SET 10.5 RL
LanTac USA LLC
MSRP: $579.01$0.00Lantac 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: $579.01$0.00Qty in Cart: 0Quantity:Price:MSRP: $579.01$0.00Subtotal: -
GGP AR-15 RECEIVER SET
Grey Ghost Precision
MSRP: $458.85$0.00The new MKII version of the GGP-S Series brings a new level of customizability never before seen in GGP rifle receivers. The Billet Receivers are precisely machined from 7075-T6 Aluminum for a perfect fit. The lower receiver includes an ambidextrous bolt...MSRP: $458.85$0.00Qty in Cart: 0Quantity:Price:MSRP: $458.85$0.00Subtotal: -
GGP AR-10 RECEIVER SET
Grey Ghost Precision
MSRP: $629.51$0.00The new MKII version of the GGP-S Series brings a new level of customizability never before seen in GGP rifle receivers. The Billet Receivers are precisely machined from 7075-T6 Aluminum for a perfect fit. The lower receiver includes an ambidextrous bolt...MSRP: $629.51$0.00Qty in Cart: 0Quantity:Price:MSRP: $629.51$0.00Subtotal: -
Out of stock
GGP FORGED LOWER RCVR CORNERSTONE
Grey Ghost Precision
MSRP: $146.83$105.00The fit and finish of the Cornerstone will provide the right start to a reliable and strong AR build. Machined to tighter than Mil-Spec tolerance, the critical tooling dimensions are held to within +/ - .001".MANUFACTURER: Grey Ghost PrecisionMPN:...MSRP: $146.83$105.00 -
Out of stock
GGP BILLET LOWER RCVR
Grey Ghost Precision
MSRP: $170.65$122.00The MKII version of the GGP-S Series brings a new level of customizability never before seen in our rifle receivers. Not only can you build your own version of the Heavy or Light rifle, but you can use your favorite aftermarket parts to complete the...MSRP: $170.65$122.00 -
GGP AR10 BILLET RCVR SET W/15 HG FDE
Grey Ghost Precision
MSRP: $883.43$0.00Now you can start your next AR10 build right with the GGP MKII AR Builder's Billet Receiver Set! Includes a GGP MKII HEAVY Billet 7075-T651 Lower Receiver, GGP MKII Billet 7075-T651 Upper Receiver, and a GGP 15" Handguard. The new MKII version of the...MSRP: $883.43$0.00Qty in Cart: 0Quantity:Price:MSRP: $883.43$0.00Subtotal: -
Out of stock
GGP AR15 BILLET RCVR SET SNIPER GRY
Grey Ghost Precision
MSRP: $458.85$368.00The new MKII version of the GGP-P Series brings a new level of customizability never before seen in the rifle receivers. Not only can you build your own version of the Heavy or Light rifle, but you can use your favorite aftermarket parts to complete the...MSRP: $458.85$368.00 -
Out of stock
FORTIS LICENSE GEN II AR15 SET STD
Fortis Manufacturing Inc.
MSRP: $498.69$399.00Introducing 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-SMODEL:...MSRP: $498.69$399.00 -
Out of stock
FORTIS LICENSE GEN II AR15 LWR STD
Fortis Manufacturing Inc.
MSRP: $279.00$224.00Introducing 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$224.00 -
Out of stock
FORTIS LICENSE GEN II AR15 LWR AMBI
Fortis Manufacturing Inc.
MSRP: $296.81$238.00Introducing 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$238.00