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  Smith Enterprise Jam Nut for 1/2x28 Threads
SEI 1/2x28 Jam Nut


 
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Our Price: $15.00

Availability:: Currently Unavailable
Product Code: SEI JN-1/2
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Description
 
Smith Enterprise Jam Nut for 1/2x28 Threads (.223/5.56)
This Smith Enterprise Jam Nut is used in place of crush washers or shim kits to properly align muzzle devices such as muzzle brakes and flash hiders that need to be timed.  The Jam Nut is threaded onto the barrel before the muzzle device and then is backed out to tighten against the back side of the muzzle device.  This is far easier than messing with Shim Kits or Crush Washers since you can use exactly the amount of torque you want and it will always be perfectly aligned.  This prevents over torquing the end of the barrel. 
The Jam Nut is precision machined from super tough 8620 Steel and is heat treated all the way through.
Has a very hard, durable and good looking matte black Salt Bath Nitride finish for the ultimate in wear and corrosion resistance.
Jam Nut length 0.200 in.
Wrench Flats are cut for .750" wrench.
Threads are 1/2x28 Right Hand for .223/5.56mm rifles
Features
  • Machined from heat treated 8620 steel
  • Tough Salt Bath Nitride finish

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