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AR-15/M4

Build your dream AR-15 with custom AR 15 parts available at MCS Gearup. Our range of items includes grips, magazines, sights, scopes and a whole lot of other AR 15 gun accessories. We also have a wide variety of options in accessories like slings, bags, etc. for your AR-15. 

 

  • .223 Chevron Brake .223 Chevron Brake

    .223 Chevron Brake

    The .223 Chevron Brake is an oversized recoil mitigation solution for centerfire rifles. With a large venting chamber that utilizes technology from large bore gun platforms, the Chevron Brake will provide the shooter with lighter recoil and reduced...

    MSRP: $39.99
    $29.99
    Add to Cart
  • MCs .223/5.56 Takedown Pin Front & Rear Set Quick Pull

    .223/5.56 Takedown Pin Front & Rear Set Quick Pull

    The Takedown Pin Set is compatible with any standard receiver and includes both the front pivot pin and the rear takedown pin. The pin heads also have oversized knobs for easy grip and are cross drilled to accommodate pull rings for increased leverage...

    MSRP: $18.99
    $10.99
    Add to Cart
  • SALE
    .750 Low Profile Steel Gas Block

    .750 Low Profile Steel Micro Gas Block

    Low Profile Steel Gas Block fits all M4 Carbines and M16A2 – A3 and A4 rifles with .750 barrels. Replaces front sight and requires 10″ or longer free float handguard for enhanced reliability.For your safety, Trinity Force recommends this part...

    MSRP: $25.99
    Was: $18.99
    Now: $13.99
    Add to Cart
  • SALE
    MCS 3oz Recoil Buffer for Model AR15 Carbine

    3oz Recoil Buffer For Model AR15 Carbine

    Features: Complete with 3 Steel Weights Reinforced Buffer Body with Hardcoat Anodizing Tight Fit Buffer Bumper Total 3.0 oz Material: Aluminum/Plastic Height: 3.26" Weight: 3.0 oz Color: Black Lifetime Warranty

    MSRP: $19.99
    Was: $13.95
    Now: $6.95
    Add to Cart
  • MCS USA 45 Degree Offset Flip Up Sights PS-PS9B Made In The USA MCS USA 45 Degree Offset Flip Up Sights PS-PS9B Made In The USA

    45 Degree Offset Flip Up Sights USA Made

    Product Features Includes the 45 offset Front Flip-Up Sight and the 45 offset Rear Flip-Up Sight Slim Design for low profile Quick locking mechanism Quick target acquisition Rear sight contains multiple diameter apertures with windage adjustment for...

    MSRP: $31.99
    $19.99
    Add to Cart
  • SALE
    5.56mm Drop In 9" Carbine Rail System

    5.56mm Drop In 9" Carbine Rail System

    The Tekko Polymer 5.56mm Carbine M-LOK Rail System replaces the plastic factory hand guard in minutes and requires no gunsmithing. No permanent alterations need to be made to the rifle its a drop in screw less installation, the unit is held in place...

    MSRP: $45.99
    Was: $34.99
    Now: $29.99
    Add to Cart
  • A2 Flash Hider A2 Flash Hider

    A2 Flash Hider .223

    The AR15 A2 Flash Hider replicates the flash suppression of the original MIL-SPEC Birdcage A2 Flash Hider, and uses a flat sided base for easy installation.For your safety, Mcs recommends this part be installed by a competent, qualified...

    MSRP: $19.99
    $14.99
    Add to Cart
  • A2 Skeleton Grip - Black A2 Skeleton Grip - Black

    A2 Skeleton Grip - Black

    The A2 Skeleton Grip features a CNC milled aluminum frame with polymer and rubber grip inserts. The grip profile is inspired by the original A2 grip angle and features a second finger notch on the front face of the grip. The grip base has been shortened...

    MSRP: $39.99
    $29.99