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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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

Sale!

AT3 Tactical SPEAR XL Replacement Barrel Nut Kit – Includes Collar & Collar Hardware

AT3 Tactical SPEAR XL Replacement Barrel Nut Kit – Includes Collar & Collar Hardware

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AT3 Tactical Firing Pin Retainer for AR-15 BCG

(15)

AT3 Tactical Firing Pin Retainer for AR-15 BCG

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AT3™ AR15 Barrel Nut & Delta Ring Assembly

(41)

AT3™ AR-15 Barrel Nut & Delta Ring Assembly

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(3)

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

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

(6)

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

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AR-15 Extractor Pin

(2)

AT3 Tactical Extractor Retainer Pin for AR-15

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AT3 Tactical Extractor O-Ring

(1)

AT3 Tactical Extractor O-Ring

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AT3 Tactical Extractor Spring for AR-15 Bolts

(2)

AT3 Tactical Extractor Spring for AR-15 Bolts

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AT3™ AR-15 Forward Assist Roll Pin

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AT3 Tactical AR-15 Ejector Roll Pin

(1)

AT3 Tactical AR-15 Ejector Roll Pin

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AT3 Tactical Extractor for .223/5.56 Bolts - Black Nitride

(1)

AT3 Tactical Extractor for .223/5.56 Bolts – Black Nitride

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AT3 Tactical Ejector for AR-15 Bolts

(1)

AT3 Tactical Ejector for AR-15 Bolts

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AT3 Slick Side Billet Upper Receiver - 7 Colors Available

(132)

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

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(17)

AT3™ Forged Upper Receiver and SPEAR Handguard Combo

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(11)

AT3™ Forged AR-15 Stripped Upper Receiver

(21)

SOTA Arms Assembled Mil-Spec AR-15 Upper Receiver

(9)

Timber Creek Outdoors AR-15 Forward Assist Assembly

Sale!

Black Upper with BCG

(11)

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

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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

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(4)

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

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(20)

AT3™ AR-15 Forward Assist

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

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.