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Superlative Arms Piston builds

Latest custom builds from Frog Arms using Superlative Arms piston kits. These pistons have adjustable gas blocks and their patented “bleed off” mode that allows proper cycling of the bolt carrier group. These pistons can also be used in restrictive mode, so the shooter can adjust manually to fit conditions.

Below are the carbine and pistol length systems.


For more details see their website https://suparms.com/


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