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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NOVESKE BARREL CQB 5.56 10.5 SS
Noveske
MSRP: $421.34$337.06Noveske is proud to manufacture premium barrels for all types of builds. This barrel ships with gas block. This barrel is designed for the Noveske gas block that is 1" long (INCLUDED). A standard front sight base is 1.9" long and WILL NOT FIT. Barrel...MSRP: $421.34$337.06 -
NOVESKE BARREL 300BLK 10.5 SS
Noveske
MSRP: $421.34$337.06Noveske's 300 AAC BLACKOUT is designed to run optimally firing both subsonic suppressed and supersonic unsuppressed. This barrel is tuned to lock back on the last round using subsonic 220 and 208 grain ammunition with a sound suppressor. The firearm may...MSRP: $421.34$337.06 -
MIDWEST UPPER 10.5 223/556 M-LOK 9
Midwest Industries
MSRP: $666.94$579.95This Forged 7075 T6 Aluminum Upper features an M-LOK compatible handguard, M4 feedramps, Melonite finished barrel and Hard Coat Anodizing.MANUFACTURER: Midwest IndustriesMPN: MI-556CRM9-UMODEL: UpperBarrel Length: 10.5"Description: M-LOKFit:...MSRP: $666.94$579.95 -
MAXIM PDX UPPER 300BLK 5.5 BLK
Maxim Defense Industries
MSRP: $1,317.02$1,165.50The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...MSRP: $1,317.02$1,165.50 -
MAXIM PDX UPPER 300BLK 5.5 ARID
Maxim Defense Industries
MSRP: $1,317.02$1,165.50The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...MSRP: $1,317.02$1,165.50 -
MAXIM PDX UPPER 5.56 5.5 BLK
Maxim Defense Industries
MSRP: $1,317.02$1,165.50The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...MSRP: $1,317.02$1,165.50 -
MAXIM PDX UPPER 5.56 5.5 ARID
Maxim Defense Industries
MSRP: $1,317.02$1,165.50The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without...MSRP: $1,317.02$1,165.50 -
LBE AR 5.56NATO 1/7 TWIST 14.5 BLK
LBE Unlimited
MSRP: $280.30$224.24High 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. LBE Unlimited AR barrels...MSRP: $280.30$224.24 -
LBE AR 5.56NATO 1/7 TWIST 13.7 BLK
LBE Unlimited
MSRP: $280.30$224.24High 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. LBE Unlimited AR barrels...MSRP: $280.30$224.24 -
LBE AR 5.56NATO 1/7 TWIST 12.5 BLK
LBE Unlimited
MSRP: $296.38$239.49High 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. LBE Unlimited AR barrels...MSRP: $296.38$239.49 -
LBE AR 5.56NATO 1/7 TWIST 7.5 BLK
LBE Unlimited
MSRP: $220.89$157.78High 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. LBE Unlimited AR barrels...MSRP: $220.89$157.78 -
LBE READY BUILD KIT 14.5 CHF BBL
LBE Unlimited
MSRP: $596.47$518.67High 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$518.67