Small Frame AR10 ARS/ARS-L Rail System (DPMS GEN2)



The F4 Adaptive Rail System (ARS) is a purpose-built rail combining the functionality of the M1913 Picatinny rail and the adaptability of Magpul’s MLOK system. The ARS handguard features both, maintaining a seamless low profile and versatile configuration. Our Patent Pending MLOK and Picatinny hybrid system is directly integrated into the extruded profile of the rail, rather than a bulky quad rail configuration. No more adapter rails; accessories are attached directly to the rail. Strategic machining allows for maximum venting, air flow, and weight reduction while maintaining the structural integrity to maintain accuracy and repeatability. The barrel nut features an anti-rotation design. This modular system allows the flexibility to configure the rail based on the end-users individual preferences.


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   Technical Specs:

  • Material: Aerospace Grade 6061 T6 Aluminum
  • DPMS Gen 2 Compatible.
  • Functionality: Compatible with M-LOK and M1913 Picatinny accessories without the need of rail adapters.
  • Quick-Disconnect (QD) ports (5)
  • Length: 15.5 inches
  • Finish: Type III Hard Coat Anodized
  • Additional M-LOK slots at (2) 45° Positions for forward mounting lights, lasers, etc.
  • Extended Rail Section at 6 o’clock position at forward section of rail to accommodate slide on Bi-Pods
  • Barrel Nut Diameter:  1.378″
  • Barrel Nut:  Stainless Steel
  • Anti-Rotation Tabs
  • 17-4PH Cored Stainless Steel Rail Mounting Attachment – Patent Pending by CMT
  • Weight: 12.8 ounces
  • Made in America with American Metal

**** These rails DO NOT work with DPMS Gen 1 or any full size AR10.

** A restocking fee will be charged if ordered in error.  THIS DOES NOT FIT STANDARD AR10s


Additional information

Weight 2 lbs
Dimensions 20 × 5 × 5 in
Handguard Length

15.5" Flat Front, 15.5" ARS, 15.5" ARS-Lite


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