HK Kar98k Piston Improves Air Seal

HK Kar98k TPU Rubber Cup Introduction：

304 stainless piston + TPU rubber cup boosts air seal and power for smoother shots and higher muzzle velocity.

Features

• 304 Piston
  • Material: 304 stainless steel
  • Weight: 34 g
  • Color: silver
  • Package Includes: Piston + rubber cup
• TPU Rubber Cup
  • Replacing the stock rubber cup piston cup improves cylinder air seal
  • Boosts the muzzle velocity of the Hanke Kar98k
  • Material: TPU (“beef tendon”)
  • Dimensions: max diameter 17.5 mm, height 5.5 mm, clamping lip diameter 6.3 mm, depth 4.5 mm