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Shims, Washers, & Nuts

  • Crush Washers Crush Washers

    Crush Washers

    This is a standard AR-15/M16 crush washer for use with end-of-barrel attachments such as flash hiders, flash magnifiers, and thread protectors. These are made of steel (stainless or blued options available) and meet tolerance requirements. What else can...

    $4.27
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  • Synthetic Rubber Muzzle Thread O-ring Synthetic Rubber Muzzle Thread O-ring

    Synthetic Rubber Muzzle Thread O-ring

    Like a crush washer but softer elasticity lets you handscrew on a thread protector or light-duty muzzle device without using up a crush washer. Non-marring Made from Viton® fluoroelastomer  Resists most oils, solvents, and mild acids Medium...

    $3.19
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  • Jam Nut for Muzzle Device, Hex Jam Nut for Muzzle Device, Hex

    Jam Nut for Muzzle Device, Hex

    These are useful for timing (positioning) muzzle devices if you want to be able to adjust the position without using crush washers. With a wrench or two you can adjust your muzzle device multiple times back and forth until you find the right position. So...

    $11.07
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  • TNA 1/2" Muzzle Shim Kit (4pc)

    TNA 1/2" Muzzle Shim Kit (4pc)

    Shims are handy for timing muzzle devices if you don't want to use crush washers or to take up space when thread shoullder does not have a relief cut and the muzzle device is colliding with the inside corner.You get: (1) 0.055" thick shim (3) 0.006"...

    $11.47
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  • Jam Nut for Muzzle Device, Round Jam Nut for Muzzle Device, Round

    Jam Nut for Muzzle Device, Round

    These are useful for timing (positioning) muzzle devices if you want to be able to adjust the position without using crush washers. With a wrench or two you can adjust your muzzle device multiple times back and forth until you find the right position. So...

    $10.09
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  • YHM Shim Kit for 308/7.62mm Calibre Muzzle Devices

    YHM Shim Kit for 308/7.62mm Calibre Muzzle Devices

    This kit from YHM in the USA is perfect for timing the installation of your muzzle device. A more precise alternative to using a crush washer. 0.625" ID Made in the USA You get: (2) 0.002" shims (5) 0.005" shims (1) 0.020"...

    $21.86
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  • DRP Jam Nut for Muzzle Devices, Round, Stainless

    DRP Jam Nut for Muzzle Devices, Round, Stainless

    These are useful for timing (positioning) muzzle devices if you want to be able to adjust the position without using crush washers. With a wrench or two you can adjust your muzzle device multiple times back and forth until you find the right position. So...

    $11.87
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  • YHM Shim Kit for Muzzle Devices (1/2")

    YHM Shim Kit for Muzzle Devices (1/2")

    Experts in the firearms industry, YHM prides itself on consistently providing the customer with the highest quality products. Their facilities include the most modern equipment and the engineering staff is trained and experienced in the use of computer...

    $18.56
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  • Jam Nut for Muzzle Device, Hex, Stainless

    Jam Nut for Muzzle Device, Hex, Stainless

    These are useful for timing (positioning) muzzle devices if you want to be able to adjust the position without using crush washers. With a wrench or two you can adjust your muzzle device multiple times back and forth until you find the right position. So...

    $11.85
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  • Jam Nut for Muzzle Devices, Round (DRP) Jam Nut for Muzzle Devices, Round (DRP)

    Jam Nut for Muzzle Devices, Round (DRP)

    These are useful for timing (positioning) muzzle devices if you want to be able to adjust the position without using crush washers. With a wrench or two you can adjust your muzzle device multiple times back and forth until you find the right position. So...

    $10.82
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