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AR-15/M4

M4 & AR-15 Parts & Accessories
Build your dream AR 15 by hand-selecting the parts you choose to complete it! In addition to assembled upper receivers and lower parts kits, we also offer a huge collection of AR-15 and M4 compatible parts and accessories including

● AR-15 charging handles
● Grips
● Magazines
● Sights
● Gun optics like scopes and red dot sights
● Stocks ● Extended mag releases
● Handguards
● Buffer tubes and springs
● And much more

In addition to these firearm parts, we also offer a huge collection of shooting accessories including but not limited to slings, bags, and multi-tools Whether you’re looking to upgrade your mil-spec charging handle to a much more practical, ergonomic ambi charging handle with an oversized grip that’s great for left-handed shooters, or you simply want to swap out your handguard, we have what you need!

  • Trinity Force Mil-Spec Stock Receiver Extension Tube

    Mil-Spec Stock Receiver Extension Tube

    Features 6-position Mil-spec Diameter Receiver Extension Tube Extension Tube Machined from Aircraft Grade Aluminum Secure Fit and Function with Various Collapsible Stocks Finished in Matte Black  Lifetime warranty

    MSRP: $27.99
    $19.99
    Add to Cart
  • SALE
    Trinity Force Tri Port muzzle brake (.223) Trinity Force Tri Port muzzle brake (.223)

    Tri Port muzzle brake (.223)

    The Tri Port muzzle brake features 3 in-line ports to redirect propelled gas to minimize recoil on the .223 AR15 platform.  Drilled venting holes reduces muzzle rise, improving shooter control and accuracy.For your safety, MCS recommends this part...

    MSRP: $25.99
    Was: $23.99
    Now: $19.99
    Add to Cart
  • MCS Polymer Front and Rear Flip Up Back Up Sight Set MCS Polymer Front and Rear Flip Up Back Up Sight Set

    Polymer Front and Rear Flip Up Back Up Sight Set

    Tactical Polymer Front and Rear Flip Up Sight Combo Set  High Quality flip-up front and rear sight towers complete with A2 square post assembly with locking retention and precision elevation adjustments for greater accuracy. Mounting Decks designed...

    MSRP: $29.99
    $19.99
    Choose Options
  • SALE
    MCS 301 Rubberized AR Pistol Grip MCS 301 Rubberized AR Pistol Grip

    301 Rubberized AR Pistol Grip

    The 301 Pistol Grip is the perfect upgraded grip for tactical AR Builds. It's rubberized texture keeps the hand on the grip and the finger on the trigger. It also comes equipped with a storage compartment for batteries, a small survival kit or anything...

    MSRP: $24.99
    Was: $22.99
    Now: $19.99
    Add to Cart
  • MCS Front-2-Back Folding Vertical Grip MCS Front-2-Back Folding Vertical Grip

    Front-2-Back Folding Vertical Grip

    Ergonomically Shaped and with a new Grenade-Style handle, the XTS-309 brings stability and the ability to fold 90 degree's Front-2-Back, along with a new, cost-effective variation of the traditional vertical grip, to any AR. Features: High...

    MSRP: $24.99
    $19.99
    Add to Cart
  • MCS Short Vertical Grip MCS Short Vertical Grip

    Short Vertical Grip

    Ergonomically Shaped and with a strong polymer structure, the XTS-306 brings stability for your next shot. Features: High Quality, Durable Polymer Structure Ribbed texturing Easy lock on feature onto Picatinny Rail

    MSRP: $24.99
    $19.99
    Add to Cart
  • MCS Anodized Extended Takedown Pins MCS Anodized Extended Takedown Pins

    Anodized Extended Takedown Pins

    MCS-TDP EXTENDED TAKE DOWN PINS - ANODIZED COLORS Strong and lightweight is the name of the game for the new MCS-TDP Anodized Takedown and Pivot Pins. Coming in at only 0.3oz in weight, the MCS-TDP come Extended with the Pivot Pin measuring 1.625", and...

    MSRP: $24.99
    $19.99
    Choose Options