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Works with .308 Cal
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5 pcs in the kit
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Use up to 5 peel washers to reach proper alignment
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Helps improve torque, timing, indexing, alignment of barrel nut
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Peel washers fit between the barrel nut and upper receiver
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New barrel nut shim kit for free float handguard/quad rail
Specifications
Compliance
Know all your state laws before purchase is made.
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