MARS-H BATTLE RIFLE 7.62X51 NATO SEMI-AUTO RIFLE MLKMWS Upper Receiver | Ambidextrous Charging Handle | S-A Bolt Carrier Group | MARS-H Lower Receiver | 13.5a ^2 7.62A-51 (.308) Light Weight Chrome Lined 1:10a ^2 RH Twist Barrel w/ Pinned LMTA(R) 3-Prong Flash Hider This particular model features a 13.5a ^2 light weight barrel with pinned 3-prong flash hider, ultimately reaching 16a ^2. No tax stamp required! Utilizing the LMTA(R) patented Monolithic Rail Platform, MRP(TM). The only true monolithic rail platform, milled from a single solid piece of aerospace aluminum forging. It utilizes two locking bolts accessible from the side of the recei Mfg: Lmt Defense