Silencer Pistons

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These Pistons are required for use with the Revolution and Resistance 9 and 45 silencers and for the Optimus in the pistol configuration. The Revolution 9 ships with a 1/2x28 piston and the Revolution 45 ships with a .578x28 piston.
It is important to intermittently clean and lubricate the exterior of the piston to ensure smooth reciprocation with the O ring in the piston retainer.
O-Rings should be replaced intermittently when worn to ensure alignment of the silencer with the booster assembly. Failure to replace damaged or worn O-rings could result in a baffle strike or damage to the piston components.

The piston are H900 heat treated with a rust inhibitor. Please note, color and color pattern will vary due to the heat treatment.

  • 17-4 construction

Additional Details

Type Of Part:
Thread Pitch:
Thread Pitch:
Thread Pitch:
13.5x1mm LH
Thread Pitch:
16x1mm LH
Thread Pitch:
16x1mm RH
Thread Pitch:
9/16x24 RH

2 Reviews

  • 5
    Griffin Pistons

    Published by Defense Materials Co., LLC on 21st Dec 2018

    What we, and our customers always get from Griffin! Excellent, products, service, value!

  • 4
    great products

    Published by mike hobson on 1st Oct 2018

    The parts that I ordered are well built. The quality looks great. Will buy again. I only gave a 4 star because they didnt have a part and do not make it.

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