Category: AR15 M14 » Muzzle Devices
Good Iron 5.56mm/6.8mm/.30cal Muzzle Brake
Smith Enterprise Good Iron 5.56mm/6.8mm/.30cal Muzzle Brake
Our Price: $159.95 each
Quantity:
5 Available
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For use with any weapon threaded 5/8”x 24, up to .30 Cal. Includes jam nut. Heat treated 8620 CM steel. Also works with SEI Direct Connect (DC) Sound Suppressor.

M14, Sig 516, Rock River LAR8, SR25, M110, DPMS AR10, bolt rifles

Item Nr.: SEI-1005-SS

INSTALLATION WARNING – PLEASE NOTE 

SEI GOOD IRON™ MUZZLE BRAKE INSTALLATION – 
 
After the brake is installed, check to see that there are no bore obstructions or misalignments. The bore, through to the bullet exit hole in the brake, should be concentric. We have no control over how barrels are made, or the bore concentricity to the muzzle threads.
 
If possible, make your visual inspections from the breech end. If you have an AR-type system, be sure to make the visual inspection through the rear of the upper receiver with bolt carrier removed. For all other systems, you may need to inspect from the muzzle end, or try a bore alignment tool.
 
If you are unsure, take the firearm to a competent gunsmith for installation, or call SEI at 480 964-1818.
 
THE OF USE RELOADS IS NOT RECOMMENDED.
WEAR SAFTEY GLASSES – all persons present any shoot activity must wear appropriate safety glasses

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