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4.2 inch M-LOK Free Float Handguard for AR-15 223/5.56. SKU: MMARK42
4.2" CNC machined Aluminum Handguard with Picatinny Top Rail and M-LOK slots on both sides and the bottom. Black anodized. Comes with a Steel barrel nut, and hex wrench. Barrel nut uses a regular 30mm crows foot type wrench , not included. Weighs only 5.3 oz with barrel nut. L - 4.2", W - 1.5", H - 2". ID is 1.358" These will fit any AR-15 uppers with standard barrel nut threading. Great for AR pistol Builds as well.
