Features:
- For MK12 and AR-15/SR-15 based platforms; not compatible with SR-25 variants.
- Four Picatinny Rails for the Installation of Flashlight, Laser and Red Dot Sight Scope and so on.
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This MK12 handguard uses a proprietary barrel nut that may be installed using a standard AR-15 armorer’s barrel nut wrench (sold separately).
Specification:
- Guide Type: MK12 Quad Rail Handguard.
- Compatibility: For MK12/AR-15/SR-15, Most Tokyo Marui spec, M4 / M16 Upper Receivers, not compatible with SR-25 variants.
- Finishes: Matte.
- Height: 2.3 inch.
- Width: 2.17 inch.
- Barrel Nut Inside Diameter: 1.2 inch.
- Barrel Nut Outer Diameter: 1.88 inch.
- Materials: 6061 Aluminum Alloy.
- Rail Type: Picatinny Weaver.
- No. of Rails: 4.
⚠️MK12 Handguard Installation Notes:
- 1. Remove the barrel from the host weapon upper receiver, and remove old barrel nut assembly.
- 2. Hand-tighten the barrel nut onto the upper receiver threads.
- 3. Torque Barrel Nut to 30ft. lbs. or greater if necessary for gas tube clearance. Do not exceed 35 ft. lbs.
- *(Aluminum barrel nuts are much lighter than steel barrel nuts, but they also have a lower torque capacity. Over-tightening can cause thread damage.)
- *This MK12 installation of the handguard requires an Armors wrench or vice block.
Handguard Parameter:
| Type | Actual Length | Weight (including Barrel Nut) |
|---|---|---|
| 4 inch | 4.0" | 252g |
| 7 inch | 7.4" | 240g |
| 9 inch | 9.05" | 384g |
| 12 inch | 12.12" | 460g |
| 12 inch FSP | 12.12" | 436g |
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