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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Out of stock
GE URG-I NC 556NATO 11.5 BLK/DDC
Geissele Automatics
MSRP: $1,671.27$1,479.00With the advent of the USASOC URGI, that quintessentially American silhouette has changed forever. The Geissele Super Modular Rail MK 16 handguard, hammer forged barrel, and carbine gas system work in concert for a package that delivers measurable...MSRP: $1,671.27$1,479.00 -
Out of stock
GE URG-I NC 556NATO 10.3 BLK/DDC
Geissele Automatics
MSRP: $1,671.27$1,479.00With the advent of the USASOC URGI, that quintessentially American silhouette has changed forever. The Geissele Super Modular Rail MK 16 handguard, hammer forged barrel, and carbine gas system work in concert for a package that delivers measurable...MSRP: $1,671.27$1,479.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 12.5 URG DDC
Geissele Automatics
MSRP: $1,625.17$1,439.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...MSRP: $1,625.17$1,439.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 12.5 URG BLK
Geissele Automatics
MSRP: $1,452.28$1,286.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...MSRP: $1,452.28$1,286.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 10.3 URG DDC
Geissele Automatics
MSRP: $1,625.17$1,439.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...MSRP: $1,625.17$1,439.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 10.3 URG BLK
Geissele Automatics
MSRP: $1,452.28$1,286.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...MSRP: $1,452.28$1,286.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 11.5 URG DDC
Geissele Automatics
MSRP: $1,625.17$1,439.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...MSRP: $1,625.17$1,439.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 11.5 URG BLK
Geissele Automatics
MSRP: $1,452.28$1,286.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...MSRP: $1,452.28$1,286.00 -
Out of stock
DD MK18 URG UPPER 556 10.3 MK18 FDE
Daniel Defense
MSRP: $1,595.56$1,412.00Use what THEY use. The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been...MSRP: $1,595.56$1,412.00 -
Out of stock
DD URG DD4 RIIIS 11.5 5.56 BLK/FDE
Daniel Defense
MSRP: $1,595.56$1,412.00The DD4 RIIIS AR15 style Upper Receiver Group is built around a 11.5 inch Cold Hammer Forged Government Profile barrel with a Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and their carbine length gas system. It features a 10.5 inch...MSRP: $1,595.56$1,412.00 -
Out of stock
DD M4V7S UPPER URG 11.5 556NATO
Daniel Defense
MSRP: $1,365.04$1,208.00The Daniel Defense M4 V7 S Upper Receiver Group is built around a Cold Hammer Forged 11.5" Government profile barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a carbine length gas system for smooth, reliable...MSRP: $1,365.04$1,208.00 -
Out of stock
DD M4 UPPER 300BLK 10.3 BLKT UPPER
Daniel Defense
MSRP: $1,526.63$1,351.00High quality components and precise manufacturing makes Daniel Defense Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.MANUFACTURER:...MSRP: $1,526.63$1,351.00