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Caldwell Delta Series AR-15 Receiver Lapping Tool Steel Black Oxide Finish 156757

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Lapping a receiver ensures a perfectly square and true surface for the barrel to mate against, thus enhancing accuracy. Upper receiver/barrel alignment is critical to accuracy. Also, honing the surface can produce optimal positioning of barrel nut so ideal torque can be achieved along with proper gas tube hole alignment.

Specifications and Features:
Use with a battery powered or electric drill to square the receiver face on an AR-15
Helps align the gas tube through the barrel nut holes
Helps align front and rear A2 style sights
Flex Driver Shaft
220 Grit Lapping Compound
Steel Construction with a Black Oxide Finish


Item#: 9-109473
Total number of Reviews: 1

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4.0 5
"Does a great job giving the upper a perfect mating surface. Didn't get 5 stars because the flex shaft didn't screw all the way into the lapping tool and has a semi permanent bend which wobbles."