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AR Upper Parts

Completely customize your AR build with high-quality AR upper parts. Our collection includes ejection port cover kits, sling mounts, forward assist assemblies, gas blocks, rail covers, safety pins and springs, and other AR parts. Completely personalize the look and performance of your rifle from the ground up. You can even customize by color. We also carry assembled upper receivers for a wide range of calibers and cartridges as well as build kits and AR upper parts kits to save you time and effort.

  • SALE
    Trinity Force Polymer M-LOK Hand Stop Trinity Force Polymer M-LOK Hand Stop

    Polymer M-LOK Hand Stop

    The Polymer Hand Stop is made from high density injection molded polymer and features M-LOK mounting points for a flush fit on any M-LOK rail, utilizing a rounded inner profile for comfort and a positive grip on the rail system. The integrated durable...

    MSRP: $24.99
    Was: $19.99
    Now: $15.99
    Add to Cart
  • MCS AR-15 Lightweight QD Dust Cover .223 5.56 MCS AR-15 Lightweight QD Dust Cover .223 5.56

    AR-15 Lightweight QD Dust Cover .223 5.56

    Carefully engineered for maximum weight savings and ease of installation, our innovative lightweight QD Dust Cover offers a perfect solution for shooters and builders that are looking to step away from the tired boring look of a standard OEM unit while...

    MSRP: $29.99
    $15.99
    Add to Cart
  • SALE
    MCS AR-15 Charging Handle Mil-spec MCS AR-15 Charging Handle Mil-spec

    AR-15 Charging Handle Mil-spec

    AR-15 Mil-Spec Charging Handle   AR-15 charge handle for your 223/5.56 upper. Standard, non ambidextrous.   • Made from Strong Aircraft Grade T6 Aluminum, hard-coated anodized 

    MSRP: $25.99
    Was: $20.99
    Now: $16.99
    Add to Cart
  • Trinity Force 45° OFFSET M-LOK® MOUNT

    45° OFFSET M-LOK® MOUNT

    The Trinity Force M-LOK 45° Mount is designed as a low profile and lightweight mount for weapon lights and laser aiming solutions. The mount brings weapon attachments closer to the main body of the gun and decreases overall size.   For your...

    MSRP: $19.99
    $16.99
    Add to Cart
  • Trinity Force 45° OFFSET WEAVER MOUNT Trinity Force 45° OFFSET WEAVER MOUNT

    45° OFFSET WEAVER MOUNT

    The Trinity Force 45° Mount is designed as a low profile and lightweight mount for weapon lights and laser aiming solutions. The mount brings weapon attachments closer to the main body of the gun and decreases overall size. For your safety, Trinity...

    MSRP: $19.99
    $16.99
    Add to Cart
  • MCS AR-15 Barrel Nut Washer in 10 Pcs - Black

    AR-15 Barrel Nut Washer in 10 Pcs - Black

    These 0.32mm stainless steel shims fit between the barrel nut and AR-15 upper receiver to allow for adjustment between the receiver and features like swivel studs, vent openings, free float quad rails, etc. Features: Pack of 10 pcs. 0.32mm Precise CNC...

    MSRP: $28.99
    $18.99
    Add to Cart
  • MCS AR-15 Barrel Nut Washer in 10 Pcs - Silver

    AR-15 Barrel Nut Washer in 10 Pcs - Silver

    These 0.32mm stainless steel shims fit between the barrel nut and AR-15 upper receiver to allow for adjustment between the receiver and features like swivel studs, vent openings, free float quad rails, etc. Features: Pack of 10 pcs. 0.32mm Precise CNC...

    MSRP: $28.99
    $18.99
    Add to Cart