Super Slim 4.2" Pistol Length M-LOK Free Float Handguard for AR-15 and AR Pistols, Blue With storage for batteries or

With storage for batteries or tools

Black foregrip attaches onto bottom rail of handguard securely

With new Torque Block for extra heavy duty applications

For all AR15 variants Great BUIS set

measurement accuracy error less than 5%

Super Slim 4.2" Pistol Length M-LOK Free Float Handguard for AR-15 and AR Pistols, Blue With storage for batteries orSuper Slim 4. 2 Inch Pistol Length M LOK Free Float Handguard for AR 15 and AR Pistols, Blue. SKU: MMARE42 BL Pistol Length CNC machined Aluminum Handguard with Picatinny Top Rail and 1 Full M LOK slot on both sides and the bottom. Blue anodized. Comes with 7075 T6 aluminum barrel nut and hex wrench. Barrel nut uses a regular 30mm crows foot type wrench , not included. Weighs only 4. 7 oz with barrel nut. L 4. 2", W 1. 5", H 2". ID is 1. 358" These