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$680.00The LANTAC RVN BLLT BUILDER SET 12.5 RL by LanTac USA LLC is a precision-engineered upper and lower receiver set designed for AR-15 builds. Crafted from high-quality 7075-T6 aluminum, this receiver set offers durability and strength, enhanced by a Type 3...MSRP: $781.99$680.00 -
LANTAC RVN BLLT BUILDER SET 10.5 RL
LanTac USA LLC
MSRP: $773.94$673.00The LANTAC RVN BLLT BUILDER SET 10.5 RL from LanTac USA LLC offers a precision-engineered solution for assembling a high-quality AR-15 rifle. This builder set features both upper and lower receivers crafted from certified 7075-T6 aluminum, known for its...MSRP: $773.94$673.00 -
LANTAC RVN BLLT BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $754.39$656.00The LANTAC RVN BLLT BUILDER SET 6.75 RL from LanTac USA LLC offers a precision-crafted solution for assembling a reliable AR-15 platform. This builder set includes both upper and lower receivers constructed from durable 7075-T6 aluminum, known for its...MSRP: $754.39$656.00 -
LANTAC SF FRGD BUILDER SET 13.5 RL
LanTac USA LLC
MSRP: $591.66$515.00The LANTAC SF FRGD BUILDER SET 13.5 RL from LanTac USA LLC offers a high-quality forged upper and lower receiver set designed for AR-15 builds. This set features an anodized finish that ensures durability and a sleek, professional appearance. The lower...MSRP: $591.66$515.00 -
LANTAC SF FRGD BUILDER SET 12.5 RL
LanTac USA LLC
MSRP: $587.06$511.00The LANTAC SF FRGD BUILDER SET 12.5 RL from LanTac USA LLC offers a high-quality forged upper and lower receiver combination designed for AR-15 platform builds. Crafted with precision, this builder set features a durable anodized finish and incorporates...MSRP: $587.06$511.00 -
LANTAC SF FRGD BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $614.36$492.00The LANTAC SF FRGD BUILDER SET 6.75 RL from LanTac USA LLC offers a precision-engineered solution for assembling a high-quality AR platform. This builder set includes both upper and lower forged receivers, crafted to exceed standard mil-spec...MSRP: $614.36$492.00 -
GGP BILLET LOWER RCVR
Grey Ghost Precision
MSRP: $170.65$122.00The GGP Billet Lower Receiver from Grey Ghost Precision offers a high-quality foundation for customizing your AR-15 build. Crafted from durable 7075-T6 aluminum, this billet lower receiver ensures precision machining and exceptional strength for reliable...MSRP: $170.65$122.00 -
FORTIS LICENSE GEN II AR15 SET AMBI
Fortis Manufacturing Inc.
MSRP: $516.50$414.00The Fortis License Gen II AR15 Set Ambi from Fortis Manufacturing Inc. is a precision-engineered lower and upper receiver set designed for AR15 platforms. Crafted from durable 7075 T6 billet aluminum, this set offers exceptional strength and lightweight...MSRP: $516.50$414.00 -
FORTIS LICENSE GEN II AR15 LWR STD
Fortis Manufacturing Inc.
MSRP: $279.00$224.00The Fortis License Gen II AR15 LWR STD is a precision-engineered stripped lower receiver crafted by Fortis Manufacturing Inc. Constructed from durable 7075 T6 billet aluminum, this lower receiver offers enhanced strength and reliability for AR-15 builds...MSRP: $279.00$224.00 -
FMK AR15 POLYMER LOWER RECEIVER BLUE
FMK Firearms
MSRP: $55.93$40.00The FMK AR15 Polymer Lower Receiver in blue offers a durable and lightweight foundation for your AR15 build. Crafted by FMK Firearms, this lower receiver is manufactured using a proprietary high-impact composite polymer designed for enhanced strength and...MSRP: $55.93$40.00 -
FMK AR15 POLYMER LOWER RECEIVER BLK
FMK Firearms
MSRP: $44.79$33.00The FMK AR15 Polymer Lower Receiver in black is crafted by FMK Firearms to provide a durable and lightweight foundation for your AR-15 build. Constructed from advanced polymer, this lower receiver offers a balance of strength and reduced weight, making...MSRP: $44.79$33.00 -
DBF DB15 LOWER RCVR MULTI CAL BLK
Diamondback Firearms
MSRP: $91.00$61.00The Diamondback Firearms DBF DB15 Lower Receiver in black is a versatile component designed for multi-caliber configurations. Crafted by Diamondback Firearms, this stripped lower receiver serves as a reliable foundation for building or customizing your...MSRP: $91.00$61.00