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 CHAINSAW 556 16 MLOK UPPER
Noveske
MSRP: $1,300.00$1,246.00The Noveske Chainsaw 556 16 MLOK Upper is a precision-engineered component designed to enhance the performance and versatility of your AR-15 platform. Featuring a 16-inch barrel, this upper combines the refined aesthetics of NoveskeÂ’s Gen 4 design with...MSRP: $1,300.00$1,246.00 -
LUTH AR 24 BULL BBL COMP UPPER 223
Luth-AR
MSRP: $514.95$501.00The Luth-AR 24 Bull Barrel Complete Upper is a precision-engineered component designed for AR-15 platforms. Featuring a 24-inch fluted bull barrel crafted from durable 416 stainless steel, this upper offers enhanced heat dissipation and rigidity. The...MSRP: $514.95$501.00 -
LANTAC RECON UPPER 223 WYLDE 16
LanTac USA LLC
MSRP: $1,322.99$1,191.00The LANTAC RECON UPPER 223 WYLDE 16, manufactured by LanTac USA LLC, is a precision-engineered upper receiver designed for AR-15 platforms. Featuring a 16-inch barrel with a 1:7 twist rate, this upper is chambered in 223 Wylde, providing versatility for...MSRP: $1,322.99$1,191.00 -
HK UPPER MR556A4 5.56 16.5 BLK
HK
MSRP: $2,499.00$2,179.00The HK MR556A4 Upper Receiver in 5.56 caliber features a 16.5-inch barrel and a sleek black anodized finish, designed to enhance the performance of AR-15 style rifles. This upper assembly incorporates Heckler & KochÂ’s renowned piston and pusher rod...MSRP: $2,499.00$2,179.00 -
GE SUPER DTY MOD1 5.56 13.9 URG DDC
Geissele Automatics
$1,439.00The Geissele Automatics GE SUPER DTY MOD1 5.56 13.9 URG DDC is a precision-engineered upper receiver designed for the AR-15 platform. Featuring a 13.9-inch barrel with a pinned configuration, this upper maintains a compact overall length of 16 inches,...$1,439.00 -
GE SUPER DTY MOD1 5.56 14.5 URG DDC
Geissele Automatics
$1,439.00The Geissele Automatics GE SUPER DTY MOD1 5.56 14.5 URG DDC is a precision-engineered complete upper designed for the AR-15 platform. Featuring a 14.5-inch barrel pinned to meet a 16-inch overall length, this upper combines durable construction with...$1,439.00 -
GE SUPER DUTY MOD1 5.56 16 URG DDC
Geissele Automatics
$1,439.00The Geissele Automatics GE SUPER DUTY MOD1 5.56 16 URG DDC is a precision-engineered upper receiver designed for the AR-15 platform. Featuring a 16-inch barrel with a 1:7 twist rate, this upper is optimized for consistent accuracy and reliable...$1,439.00 -
FIGHT MCR MIL DF UPR 556 PIC 16.25
FightLite
MSRP: $6,999.99$6,600.00The FightLite FIGHT MCR MIL DF UPR 556 PIC 16.25 is a versatile upper receiver assembly engineered for seamless integration with standard AR/M4 type lowers. Designed for compatibility with MIL-Spec lowers, this upper does not require permanent...MSRP: $6,999.99$6,600.00 -
FIGHT MCR DUAL FD UPR 556 MLOK 16.25
FightLite
MSRP: $6,399.99$5,900.00The FightLite FIGHT MCR DUAL FD UPR 556 MLOK 16.25 is a versatile upper receiver designed to enhance the functionality of compatible AR-style rifles. Featuring a 16.25-inch quick-change barrel, this upper allows for rapid configuration changes without...MSRP: $6,399.99$5,900.00 -
FAXON ION ULTRALT 16 556NATO UPPER
Faxon Firearms
MSRP: $1,099.00$1,012.00The Faxon Firearms ION ULTRALT 16 556NATO Upper offers a high-performance solution for AR-15 enthusiasts seeking a balance of durability and lightweight design. This upper assembly features a 16-inch barrel optimized for the 5.56 NATO caliber, providing...MSRP: $1,099.00$1,012.00 -
FAXON ARAK-21 7.62X39 16 UPPER
Faxon Firearms
MSRP: $999.00$920.00The Faxon Firearms ARAK-21 7.62x39 16" Upper is a complete upper receiver assembly engineered to fit seamlessly with the standard AR-15 platform. This assembly replaces the upper receiver while maintaining compatibility with your existing lower,...MSRP: $999.00$920.00 -
DD M4V7 UPPER 556 16 MLOK BLK
Daniel Defense
MSRP: $1,300.00$1,208.00The Daniel Defense DD M4V7 Upper 556 16 MLOK BLK is engineered for reliable performance and versatility. Featuring a 16-inch cold hammer forged barrel with a government profile, this upper receiver group is designed to offer consistent accuracy and...MSRP: $1,300.00$1,208.00