CowCow RM1 Stainless Steel Guide Rod For Hi-Capa 4.3 & 5.1 (Silver) Black Each packing serves with 2

Each packing serves with 2 different options of valve spring

Production Model : AIP001-MH-S

3 different weight of recoil springs for precise calibration

Materiel: Stainless

CowCow RM1 Stainless Steel Guide Rod For Hi-Capa 4.3 & 5.1 (Silver) Black Each packing serves with 2The 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 of 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