SilentStrike 556, 130gr, 1050 FPS 20 rds per box

by Allegiance Ammunition|Item # 556SS130-20

SilentStrike 556 130GR is the worlds heaviest 556 Jacketed Frangible Full Cycling subsonic round that will operate the AR weapon platform at 1050 FPS in semi and full auto and that is safe to shoot in suppressors.

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Description

Manufacturer: Allegiance Ammunition
Condition: NEW
Bullet Weight: 130gr Grain
Bullet Type: Jacketed Frangible
Ammo Casing: Brass
Ammo Caliber: .5.56 NATO
Primer Type: Boxer
Quantity: 20 Rounds
Velocity: 1050 ft/s

                      SilentStrike 556 130gr 1050 FPS

SilentStrike 556, 130gr, 1050 FPS  using a dense compressed Tungsten powder metal core we achieve core densities that allows the round to generate sufficient gas pressure to operate the weapon at 1050 FPS. The dense tungsten core allows SilentStrike 556, 130gr, 1050 FPS to penetrate through thick bone and hide to reach the vitals. Even at the lower velocity depending upon the caliber and shot placement SilentStrike has a certain amount of frangibility in soft tissue that helps create a larger wound cavity to stop the threat sooner. Because SilentStrike is a powder metal core it will fragment on surfaces that would cause lead bullets to ricochet making it ideal for around sensitive areas and metal enclosures.

A 1×7 twist and a NATO chamber is required. It is NOT recommended to shoot SilentStrike in a 1×9 twist barrel. It will cause a baffle strike. If you are not sure then it would be smart to shoot the first 5 rounds on paper to see if the bullet is showing any YAW in the paper. If it does then DO NOT SHOOT IT IN YOUR GUN. SilentStrike is designed primarily for a SBR with a barrel 16 inches and under and is based upon a stock factory AR spec which is a standard buffer, stock recoil spring and a min .075 gas port.

If your gun won’t function with SilentStrike it has an extremly good chance that a simple change out of the buffer, buffer spring would be all it takes to make it run. Other problems that can show up will be the gas port being to small or the gas port and the gas block being misaligned. Small problems like that will not show up with standard type of 223/556 ammo because of the mass amount of gas pressure that the gun has to work with. SilentStrike is a very specalized round for a specialized application so the gun must be built to a stock AR spec and kept in good operating condition. We have seen guns that when brought to us that would not function with SilentStrike that after a thorough cleaning worked just fine. We have SilentStrike working in a 7inch all the way up to a 16inch upper and it works in semi and full auto mode.

 

Additional information

Weight 1 lbs
Dimensions 5 x 5 x 5 in

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