CowCow RM1 Guide Rod Color:Silver Unlike some other lines in

Unlike some other lines in the market

Polarstar Fire Control Unit

Quad Rail Handguard - Tan 7 inch

Idle Smoking like real tank from ""engine""

CowCow RM1 Guide Rod Color:Silver Unlike some other lines inThe RM1 Guide Rod is designed to help reduce recoil, bolt carrier speed, wear & tear on parts, shock and vibration to your optics, improve reliability and suppress bolt bounce by using two springs for recoil verses the traditional single spring. The drop in buffer features a high density spring that absorbs the shock from the bolt carrier. It produces significant reductions in muzzle climb and recoil and gives users more consistent performance. The