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ohhunt

ohhunt® M4 M16 AR15 Free Float Quad Rail Handguard with FSP Cutout - 12 inch

ohhunt® M4 M16 AR15 Free Float Quad Rail Handguard with FSP Cutout - 12 inch

SKU:M4T-FB-12

Regular price $56.90 USD
Regular price $39.99 USD Sale price $56.90 USD
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1. Free shipping for all orders over $10.
2. Estimated delivery time(USPS): 2 to 6 working days.

Pre-Order?

1. Pre-orders will ship on or after 24/02/2026.
2. Do not select Pre-order items if you need them urgently.

Note: Pre-order items are expected to begin shipping around February 26th. Stay tuned.

  1. Four Picatinny Rails for the Installation of Flashlight, Laser and Red Dot Sight Scope and so on.
  2. This fore end uses a proprietary barrel nut that may be installed using a standard AR-15 armorer’s barrel nut wrench (sold separately). 
  3. For AR-15/SR-15 based platforms only; not compatible with SR-25 variants.
  4. Shock Proof Can be Used on Real Fire Caliber.
  • Type: AR-15/M16/M4 Quad Rail Handguard.
  • Compatibility: For AR-15/SR-15 based platforms only, not compatible with SR-25 variants.
  • Length: 12.12".
  • Height: 2.3 inch.
  • Width: 2.17 inch.
  • Barrel Nut Inside Diameter: 1.2 inch.
  • Barrel Nut Outer Diameter: 1.88 inch.
  • Finishes: Matte.
  • Materials: 6061 Aluminum Alloy.
  • Rail Type: Picatinny Weaver.
  • No. of Rails: 4.

⚠️Installation Notes:

  1. 1. Remove the barrel from the host weapon upper receiver, and remove old barrel nut assembly.
  2. 2. Hand-tighten the barrel nut onto the upper receiver threads.
  3. 3. Torque Barrel Nut to 30ft. lbs. or greater if necessary for gas tube clearance. Do not exceed 35 ft. lbs.
  4. *(Aluminum barrel nuts are much lighter than steel barrel nuts, but they also have a lower torque capacity. Over-tightening can cause thread damage.)
  5. *This MK12 installation of the handguard requires an Armors wrench or vice block.
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