Maxim Defense Industries PRS-338, Suppressor, 338 Caliber, Aluminum Construction with Grade 5 Titanium Thread Insert, Anodized Finish, Black MXM-48212 The PRS series is a serious contender when it comes to the strength-to-weight ratio of a silencer. If you want the lightest silencer possible with all the benefits of M-Kore Technology, but don't want to sacrifice sound reduction, the PRS is your choice. It's perfectly at home on your hunting, match, and even semi-auto rifles. You'll appreciate the lightweight on the mountain and in competition. And love it even more as you shoulder your rifle and notice the absence of excess muzzle weight. The PRS features a 7075 aluminum tube, core, and mount with a Grade 5 titanium thread insert to prevent galling. The use of aluminum is perfect for light to mid-duty use, plus, it keeps the price very affordable.