4.2" M-LOK Free Float Handguard for AR-15 223/5.56 and AR Pistols Does not fit:

Does not fit:

• Included: 1 x Handguard (2 sections)

The Pad is screwed on

Machined and Anodized in the USA   SKU:  A25K-O

4.2" M-LOK Free Float Handguard for AR-15 223/5.56 and AR Pistols Does not fit: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.