The Forward Controls Design LMC Low Profile Duty AR-15 Magazine Catch is engineered to minimize accidental magazine releases. Its unique features include a slightly longer catch for secure engagement, a shorter shaft for a lower profile, and a winterized design for reliable operation in harsh conditions. Billet machined from 4140 steel for strength and durability, the LMC is an ideal upgrade for your AR-15 and proudly made in the U.S.A.Features:Compatible with TDP spec M16s and AR15sLonger catch (0.06")Shorter shaft lowers height of mag release button (right side)Longer ramp on the plate lengthens mag catch's travelWinterized feature mitigates water poolingBillet machined 4140 steel, heat treatedBlack nitride coatingIncludes 10.9 inch/lb magazine catch springMade in the U.S.A.Specifications:Color: BlackFinish: NitrideMaterial: Steel - 4140 Chrome MolyPlatform: AR-15