W&S GHK AK GBB Steel Bolt Set Simulated Ver./Bolt, Gas Piston for Full Size
Set contents: Steel bolt Simulated Ver., stainless steel gas piston x 2 (1 for full size, 1 for AKS74U), steel hammer, recoil spring guide Simulated Ver., recoil spring
Weight (grams): 687g / 737g including packaging materials
