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Upper parts

Maintain and enhance your AR-platform’s performance with essential upper receiver components designed for reliable operation and durability. From forward assists to dust covers and bolt carrier group parts, our comprehensive selection delivers quality replacements and performance upgrades. Whether you’re conducting routine maintenance or building a custom platform, these precision-engineered parts READ MORE

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(12)

AT3™ Forged AR-15 Stripped Upper Receiver

Sale!

STNGR HWK XL Replacement Barrel Nut Kit - Includes Collar & Collar Hardware

(1)

STNGR HWK XL Replacement Barrel Nut Kit – Includes Collar & Collar Hardware

RECOMMENDED

AT3 Slick Side Billet Upper Receiver - 7 Colors Available

(133)

AT3™ Slick Side Upper | Billet Upper Receiver for AR-15

(17)

AT3™ Forged Upper Receiver and SPEAR Handguard Combo

NEW

Ruger AR-15 Upper Parts Kit – Forward Assist & Ejection Port Cover Assembly

AT3 Tactical Crush Washer - 1/2 Inch for 5.56/.223

(12)

AT3™ 1/2 Inch Crush Washer for .223/5.56 Muzzle Devices Compatible with AR-15

AT3 Tactical Firing Pin Retainer for AR-15 BCG

(15)

AT3 Tactical Firing Pin Retainer for AR-15 BCG

(21)

AT3™ AR-15 Forward Assist

AT3™ AR15 Barrel Nut & Delta Ring Assembly

(42)

AT3™ AR-15 Barrel Nut & Delta Ring Assembly

(21)

SOTA Arms Assembled Mil-Spec AR-15 Upper Receiver

(9)

Timber Creek Outdoors AR-15 Forward Assist Assembly

(4)

AT3™ Forged AR-15 Upper Receiver and Pro Quad Rail Combo

Black Upper with BCG

(11)

AT3™ Slick Side AR-15 Upper with Black Nitride 5.56 Bolt Carrier Group

Slick Side Upper with Ambi Charging Handle and Bolt Carrier Group

(2)

AT3™ Slick Side Upper with Bolt Carrier Group and Breek Arms Warhammer Charging Handle

(3)

AT3™ Replacement Barrel Nut for SPEAR M-LOK and Pro Quad Rail Handguards

Luth-AR Teardrop Forward Assist Assembly for AR-15

(2)

Luth-AR Teardrop Forward Assist Assembly for AR-15

(3)

Strike Industries Lightweight Forward Assist for AR-15

(1)

Strike Industries Extended Forward Assist for AR -15

AT3 Tactical Gas Rings for AR-15 Bolts - Set of 3

(6)

AT3 Tactical Gas Rings for AR-15 Bolts – Set of 3

Yankee Hill Machine Co, Dust Cover, 556NATO, Fits AR Rifles, Black, Includes: Dust Cover, Rod, and Retaining Clip Spring

(3)

Yankee Hill Machine Dust Cover Assembly with Caliber Markings

GrovTec AR-15 Crush Washer - 1/2 Inch - AT3 Tactical

(1)

GrovTec AR-15 Crush Washer 5 Pack – 1/2 Inch

AR-15 Extractor Pin

(2)

AT3 Tactical Extractor Retainer Pin for AR-15

Ballistic Advantage AR15 Upper Receiver

(2)

Ballistic Advantage AR-15 Upper Receiver

AT3 Tactical Extractor O-Ring

(1)

AT3 Tactical Extractor O-Ring

Maintain and enhance your AR-platform’s performance with essential upper receiver components designed for reliable operation and durability. From forward assists to dust covers and bolt carrier group parts, our comprehensive selection delivers quality replacements and performance upgrades. Whether you’re conducting routine maintenance or building a custom platform, these precision-engineered parts ensure consistent function and reliable performance across all shooting conditions.