R W Hart Barrel Muzzle Crown Lapping Tool Insert #B 25 to 7mm Caliber Brass

Product #: 365334 R W Hart #: RWH-U-10003B

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Product Information

Brass insert for the R W Hart Barrel Crown Lapping Tool. Can be used with stainless steel handle (sold separately) or with a drill press.

Technical Information

Material: Brass Lap

Features: Crowns Barrel muzzle

Gunsmithing Required: No

  • Handle #928730 hand lapping crown
  • When using this crown lapping tool do not hold tool in a stationary position, tool must be oscillating at all times when in contact with crown of barrel. When using in drill press barrel must be oscillating when in contact with tool. Recommend 320 Grit Polishing compound #560557 and finish with 600 Grit Polishing Compound #498161.
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