VFC Original Parts - O-Ring ( 3 x 1.5 ) For SIG AIR / VFC P320 M17 / Stark Arms S19 GBBP Series Default Category/Airsoft Parts/Spring/Recoil/Chamber/Guide Rod/Plug The Magpul fits most aluminum

The Magpul fits most aluminum

- For TM G17/18 ( Sliver )

with more time to enjoy more fun

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In addition to this

VFC Original Parts - O-Ring ( 3 x 1.5 ) For SIG AIR / VFC P320 M17 / Stark Arms S19 GBBP Series Default Category/Airsoft Parts/Spring/Recoil/Chamber/Guide Rod/Plug The Magpul fits most aluminumRubber Constructed O Ring 3 x 1. 5mm Diameter Size Original Replacement Part Compatible With : 1. SIG AIR VFC P320 M17 ( Part No. # 01 11 ) GBBP Series 2. Stark Arms S19 ( Parts No. #120 ) GBBP Series Package Included: VFC O Ring ( 3 x 1. 5 ) For SIG AIR VFC P320 M17 Stark Arms S19 GBBP Series