15" Slim M-Lok Free Float Handguard for SM .308 Rifle GAS TUBE Steel Barrel Nut made from

Steel Barrel Nut made from high strength steel and coated

Reticle: Etched glass germany #4

MPN-1 Etched Glass Reticle

water proof and fog proof (Nitrogen purged)

Ocular Length: 80mm

15" Slim M-Lok Free Float Handguard for SM .308 Rifle GAS TUBE Steel Barrel Nut made fromSteel Barrel Nut included, thread is LR 308 1 7 16 and 16 TPI 2A The distance from center of barrel nut to the top of handguard rail is 1. 325". If this distance is the same as the rifle receiver, the handguard rail will be flush with rifle receiver top rail, regardless your rifle is called high profile or low profile. 5 shims(~0. 05") included for easy indexing. ID is 1. 177". Please be aware this shim may not be big enough for every barrel. Top