Our pistons were designed to be easily changed for different host firearms or calibers. Pistons are built with 17-4 stainless steel, then heat-treated for maximum durability. The piston is part of the Nielson device that moves and allows semi-automatic cycling for unlocking pistol barrels. Throw a Fixed Barrel Spacer on for fixed barrel applications. SilencerCo pistons have female threading that attaches to our SilencerCo threaded barrels.
Not sure which threads you need? Check our Piston Fit Guide
Compatible with
Omega K Series
Hybrid 46
Hybrid 46M with Charlie Piston Mount
Osprey Series
Octane Series
Omega 36M with Charlie Piston Mount
This KAC 34mm Extended Eye Relief 1-Piece Scope Mount is constructed of lightweight aluminum and is compatible with any Picatinny-type top rail. It is canted forward to allow for greater eye relief when using a large variable power optic on a rifle with limited top rail space. Attaches via a pair of 1/2″ bolts.
Keymod mounted, 7-slot MILSTD 1913 picatinny rail segment. Fits the KAC URX 4 or other Keymod-style rails.
This KAC Keymod Accessory Rail is 3.7″ in length and provides a 7 slot section of mil-spec M1913 Picatinny rail for the addition of tactical accessories. Designed specifically for the URX 4 handguard, this rail section is also compatible with any other rifle handguard that has a Keymod interface. Aluminum construction.
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