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
Out of stock
AC59
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Weight | 1 lbs |
---|---|
Dimensions | 6.5 × 4.5 × 1.5 in |
UPC | 817272010237 |
MPN | AC59 |
This KAC Aperture Sight Insert snaps into a 300 Meter Flip Up Rear Sight, constricting the peep aperture for a more precise sight picture.
KAC’s iconic Ribbed Rail Panels have seen use all over the globe on US military M4 Carbines. The lightweight polymer panels are ribbed for an enhanced grip, and help insulate the support hand from barrel heat. While originally designed for use on the KAC M4 RIS and M4 RAS rails, these panels are also compatible with many other railed handguards.
Material: Polymer
Ribs: 9
Length: 5.48″
Color: Black, FDE
The KAC URX 4 Rail is a fully modular design that utilizes the revolutionary KeyMod accessory mounting system. The URX 4 Rail is stronger and more stable than previous URX designs due to its one piece construction. It is also lighter due to its Integral Barrel Nut (IBN) system of attachment. The IBN system allows the rail itself to act as the barrel nut when torqued onto the rifle, completely eliminating the need for a separate steel barrel nut. KeyMod accessories may be mounted anywhere along the URX 4s length, making it one of the most user configurable designs on the market. The URX 4 includes two QD sling swivel sockets, one on the left side and one on the right.
Specifications:
Length: 10.75″
Weight: 10.2 oz
Inside Diameter: 1.55″
Outside Diameter: 1.68″ (Side to Side)
Each URX 4 Rail comes complete with an installation wrench, shim kit and instructions. Other lengths available include 8.5″, 10″, 13″, and 14.5″.
Pack of two Velcro-backed PVC patches of the KAC Crest. These rugged patches are available in three different color schemes and couple perfectly with any KAC Gear equipped with hook and loop fasteners. Size is approx. 2″
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