KNS Precision rolled out ( in limited quantity) their new VEPR and Saiga adjustable gas pistons.
For both small and large-bore variants.
According to KNS Precision the Vepr and Saiga pistons will require drilling through the op-red after screwing the piston into the carrier.
Due to differences in the staking locations. MSRP of $149.00 to $165.00
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