VMP-2 Bolt Rollpin
Amethyst Artificery
£0.75
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Roll-pin that holds the piston into the bolt carrier on Vorsk VMP-2 This is an ISO13337 carbon steel split roll pin, M4 22mm long, exactly the same kind that holds your piston into the bolt carrier block. As these are brand new they can be a little stiff the first time, i find that squeezing one end slightly with pliers first makes it easier to get it started.
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