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SKU: GAG_250210400
Upper Receiver Lapping Tool Features Cold-rolled steel lapping tool chucks into a 3/8 hand drill to easily square the upper receiver face on your AR-15. Helps ensure precise mating of barrel and receiver for added accuracy. Coat face of receiver with aluminum-oxide lapping compound; extra long pilot slides into the bolt carrier tunnel to maintain perfect concentricity with the receiver. Upper Receiver Lapping Tool Specifications Cold-rolled steel lapping tool easily square the upper receiver face on your AR-15 ensure precise mating of barrel and receiver for added accuracy Coat face of receiver with aluminum-oxide lapping compound extra long pilot slides into the bolt carrier tunnel to maintain perfect concentricity with the receiver.