4.2" M-LOK Free Float Handguard for AR-15 223/5.56 and AR Pistols fogproof and shock proof performance

fogproof and shock proof performance

Kexuan 7mm Rem

SKU  MZ-01S-02-B

750" barrels as well)

• Should pad angled and textured for maximum relief

4.2" M-LOK Free Float Handguard for AR-15 223/5.56 and AR Pistols fogproof and shock proof performance4. 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.