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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PWS MK1 MOD 2-M COMP RIFLE LOWER
Primary Weapons Systems
MSRP: $689.94$630.00Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, they tested their compensators on all different types of rifles - from M4s to AK-47s. After using both styles of rifles in testing with high...MSRP: $689.94$630.00 -
LANTAC RVN BLLT BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $754.39$656.00The 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: $754.39$656.00 -
LANTAC SF FRGD BUILDER SET 13.5 RL
LanTac USA LLC
MSRP: $591.66$515.00Lantac 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: $591.66$515.00 -
LANTAC SF FRGD BUILDER SET 12.5 RL
LanTac USA LLC
MSRP: $587.06$511.00Lantac 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: $587.06$511.00 -
LANTAC SF FRGD BUILDER SET 6.75 RL
LanTac USA LLC
MSRP: $614.36$492.00Lantac 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: $614.36$492.00 -
BCM LOWER GROUP W/BCM STK MOD0 FDE
Bravo Company
MSRP: $603.75$525.00Exacting construction and rigorous durability are the standard for every weapon system that comes off the line at BCM. BCM Professional Grade Weaponry are hard use tools, built to perform in combat where unfailing performance is the only standard for men...MSRP: $603.75$525.00 -
BCM GUNFIGHTER LOWER GROUP SPMD BLK
Bravo Company
MSRP: $603.75$525.00The Bravo Company Manufacturing Complete AR-15 Lower Receiver is built to Mil-Spec ensuring compatibility with a wide range of parts and accessories. This AR-15 lower comes fully assembled and ready to attach to any Mil-Spec complete upper. The receiver...MSRP: $603.75$525.00 -
BCM LOWER GROUP W/BCM STK MOD 0 BLK
Bravo Company
MSRP: $603.75$525.00BCM rifles and carbines are some of the highest quality modern sporting rifles on the market today. Whether it's competition, defense, hunting or duty, BCM offers a rifle for the task at hand.MANUFACTURER: Bravo CompanyMPN: LRG-STK-MOD-0-BLKMODEL:...MSRP: $603.75$525.00 -
BOOTLEG AMBI RECEIVER SET AR 15 BLK
Bootleg
MSRP: $574.94$460.00Machined out of 7075 Billet aluminum and designed to match their newly released Upper Receiver, The Smuggler is their exciting first step into Lower receivers. Weighing in at 9.85 ounces and MIL-SPEC Hard Anodized this lower receiver will stand the test...MSRP: $574.94$460.00 -
PWS UXR ELITE CONV KIT .300BLK 14.5
Primary Weapons Systems
MSRP: $624.94$500.00The proprietary UXR, or User XChange Rifle, is the pinnacle of firearm innovation. This revolutionary system offers unmatched modularity and performance. The patent-pending XCHANGE system allows the shooter to quickly convert to alternate calibers on the...MSRP: $624.94$500.00 -
NOVESKE BARREL 5.56 14.5 LIGHT AFGH
Noveske
MSRP: $604.24$526.00Noveske Rifleworks is an American firearms company. They are headquartered in Grants Pass, Oregon and are known for their work with the AR-15 platform and the KeyMod system.MANUFACTURER: NoveskeMPN: 07000128MODEL: Light AfghanBarrel Length: 14...MSRP: $604.24$526.00 -
LBE READY BUILD KIT 14.5 CHF BBL
LBE Unlimited
MSRP: $596.47$557.00High quality components and precise manufacturing make LBE parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. The LBE Ready Build Kit...MSRP: $596.47$557.00