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
SPIKES UPPER/LOWER SET STSB920
SPIKES
$590.00Spikes Tactical Glock Magazine 9mm lower with pockets machined in many areas to reduce weight. The lower receiver design was engineered to shave the weight and increase strength exactly where we wanted it. All edges and surfaces have been 3D chamfered to...$590.00 -
Out of stock
SHIELD ARMS LOWER RECEIVER SAO15
Shield Arms
$113.00The Shield Arms Partisan Sling was designed by former Green Beret and RD Gremlin Tyler Imig and brings together his years of experience along with all the best features of slings hes used into one superior sling design. TwoStage progressive tension...$113.00 -
RUGER AR-556 LOWER RECEIVER 8516
Ruger
$0.00Rugers AR556 Lower has a sixposition telescoping Magpul MOE carbine buttstock and MilSpec buffer tube which allows the rifle to be properly sized for different shooters. The ergonomic pistol grip features an extended trigger reach for more precise...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
RUGER AR-556 LOWER RECEIVER 8506
Ruger
$0.00This Ruger AR lower receiver makes a great centerpiece component for those looking to build their own modern sporting rifle. It is CNCmachined from forged 7075T6 aluminum with a hardcoat anodized finish. NOTE Requires a lower parts kit buffer stock of...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
Out of stock
RISE ARMAMENT ADVANCED PERFORMANCE RABLR223535
Rise Armament
$430.00The RISE Armament RA 535 Advanced Performance Trigger helps fire more quickly and accurately. Its highly regarded as the best trigger. Now available with a black trigger blade the RA535 APT will not only improve the performance of rifles but the look of...$430.00 -
Out of stock
GRIFFIN ARMAMENT MK2 LOWER RECEIVER MK2AL
Griffin Armament
$209.00The Griffin MK2 Ambi Lower is the ideal foundation for your next rifle build. Precisely machined from highgrade 7075T6 aluminum to exact tolerances the MK2 lower is a premium rifle platform offering proper fitment and utility with milspec lower...$209.00 -
Out of stock
FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020024BLK
FRANKLIN ARMORY
$333.00Forged 7075T6 Aluminum Hard Coat Type III Anodized Black Specialized Tension Screw Eliminates UpperLower Play FRANKLIN ARMORY Binary Firing System Trigger A2 Pistol Grip Magazine Manufactured from Stainless Steel Marlube Finished 30 Round 5.56 NATO...$333.00 -
Out of stock
FN FN-15 LOWER RECEIVER 20100466
FN America
$129.00The Catch 22 Ti is a lightweight tough and quiet rimfire suppressor reducing muzzle blast from all 22 LR firearms. A perfect pair with the FN 502 Tactical reliable feed and extraction across most ammunition types is the new standard maintaining...$129.00 -
Out of stock
FIGHTLITE INDUSTRIES LOWER RECEIVER SCRLWRRFD
FIGHTLITE INDUSTRIES
$646.00The FightLite SCR Sport Configurable Rifle blends the strength reliability accuracy and rugged allweather characteristics of Americas longest serving infantry rifle with the classic lines of an American Sporter. Enjoyed by sportsmen and women everywhere...$646.00 -
Out of stock
FIGHTLITE INDUSTRIES SCR LOWER RECEIVER SCRLWRRBK
FIGHTLITE INDUSTRIES
$646.00The FightLite SCR Sport Configurable Rifle blends the strength reliability accuracy and rugged allweather characteristics of Americas longest serving infantry rifle with the classic lines of an American Sporter. Enjoyed by sportsmen and women everywhere...$646.00 -
Out of stock
DESERT TECH QUATTRO-15 LOWER RECEIVER QTRLR15B53
DESERT TECH
$309.00The Quattro15 lower receiver accepts the Quadmag53 Desert Techs 53 round magazine and standard AR pattern mags. The lower receiver is drop in capable will all standard AR15 upper receivers. The Quattro15s 53 round magazines give patriots the ability to...$309.00 -
Out of stock
DIAMONDBACK DB15 LOWER RECEIVER DB2228R001
Diamondback Firearms
$96.00This magazine is compatible with your Diamondback DBAM29. It features a finger extension.$96.00