LayLax SIG SAUER ProForce MPX Upgraded Spring Guide EARMOR Fluted design gives your rifle

Fluted design gives your rifle a unique look

Double Hop-Up System

so it can accept any upgrades compatible with VSR-10 pattern bolt action sniper rifles

complete with a dummy gas tube

Front and Back - Accepts M or L Swimmer/ESAPI plates up to 10

LayLax SIG SAUER ProForce MPX Upgraded Spring Guide EARMOR Fluted design gives your rifleSIG SAUER ProForce MPX Upgraded Spring Guide Ball bearings for reduced stress Strengthed designed Smoother operation The upgraded ball bearing spring guide for the SIG SAUER ProForce MPX provides ease of mind with a steel reinforced body and reduced friction of your spring. Easy drop in installation for an immediate smoother operation for your gearbox.