4.2" M-LOK Free Float Handguard for AR-15 223/5.56 and AR Pistols Barrel threading screws into the

Barrel threading screws into the front inside end of the fake can

750" barrels as well)

fogproof and shock proof performance

Orange Anodized Aluminum

Foldable Legs Swivel Mount and Rubberized Feet

4.2" M-LOK Free Float Handguard for AR-15 223/5.56 and AR Pistols Barrel threading screws into the4. 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.