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  • GSI heavy piston exclusively made for KSC / KWA M9
  • It only works with M9
  • Allows a strong reaction during an explosion


• EAN & SKU:  8809899600382, SKU: HP20-KM9

• Product Dimension & Weight: 0.81(L)x0.51(W)x0.51(H) inch 0.6 oz 

• Package Weight & Dimension:  3.3(L)x 3.5(W) x 0.6(H) inch 0.8 oz 

• Made in Korea



KSC Heavy Piston For Berreta M9/ M9A1 - System7

$13.80 Regular Price
$11.04Sale Price
Excluding Sales Tax
  • Packaging size 85mm x 115mm x 13mm
    Weight 31g
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