RPTR M-Lok Free Float Handguard 15" - AR15/M4

  • Cyclops 3-Slot M-Lok Rail Cover Panel (3-Pack/Black)

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  • Backed by our Swarm Lifetime Warranty

    1. Best of both worlds. The RPTR is the perfect combination of each of the benefits found in both traditional quad rails and M-Lok handguards. Integrated rail sections on the front of the handguard allow you to install various picatinny accessories ranging from bipods to lights without the need to purchase extra adapters. The M-Lok body of the rail serves to significantly reduce weight while allowing you to attach accessories at a much lower profile than standard picatinny allows.
    2. Effortless install. Absolutely no barrel nut timing required. In addition to being incredibly easy to install, the system developed also solves the biggest problem faced by handguards today – unwanted slipping. By engineering an anti-plate that locks the handguard to the barrel nut, your handguard physically won’t be able to slide off no matter how hard you run it. No Loctite needed.
    3. Ready for every condition. Any time. Anywhere. Exceptionally rugged and built to last a lifetime. Every rail is meticulously designed to excel under any mission it undergoes.

    Free Shipping. Texas Company. Proudly Made In USA.

    1. Includes: (1) 1 3/16" Crowfoot wrench (1/2" drive) for easy install,  (1) Anti-slide plate, (1)  Barrel nut, (2) Allen screws, (1) Allen key, (1) RPTR 15" M-Lok rail
    2. Handguard Material: 6061-T6 Type III hard coat anodized aluminum
    3. Engraving: Ships with the Dark Engraved logo
    4. Barrel Nut Material: Steel
    5. Gas Block: Works with low profile and adjustable gas blocks
    6. Compatibility:For use on AR-15 & M4 variants (223, 300blk & 556) *Modification is required to fit with billet uppers.
    7. Quick Detach: 2 locking QD mounts (2 at the rear)
    8. Rail Weight: 11.64 ounces
    9. Barrel Nut Weight: 3.49 ounces
    10. Inside Diameter (ID): 1.35"
    11. ID + Top Gas Tube Channel: 1.70"
    12. Length: 15.25"
    13. Color:Black (Only available colorway at this time)
    14. M-Lok: Officially Licensed M-Lok From Magpul
    15. Made In USA
  • You qualify for free shipping! This rail ships free with standard shipping.


    *Due to numerous laws and regulations surrounding the firearm industry, we are not allowed to ship internationally. We apologize for the inconvenience.

A Build Your Buddies Will Envy

4 sides of integrated picatinny on the front give you quad rail functionality without the quad rail weight. These are perfect for directly mounting picatinny based accessories like a bipod, light or laser.

Dual purpose weight reduction cuts throughout the rail help dramatically improve cooling through enhanced airflow and reduce excess weight while maintaining structural integrity. QD points in the rear allow for the direct attachment of a sling.

Anti-slide plate locks the RPTR to your upper to prevent sliding and anti-rotation tabs eliminate lateral rotation. The result is a rock solid fit - no matter how hard you run it.

Incredibly simple non-timing barrel nut makes this the easiest handguard to install on the market. Perfect for first time builders and seasoned gunsmiths alike. No hassle, no frustration, no previous experience required. Simple.

Take Your Build To The Next Level With The RPTR