27 C.F.R. § 555.216 Repair of magazines.
Title 27 - Alcohol, Tobacco Products and Firearms
Before repairing the interior of magazines, all explosive materials are to be removed and the interior cleaned. Before repairing the exterior of magazines, all explosive materials must be removed if there exists any possibility that repairs may produce sparks or flame. Explosive materials removed from magazines under repair must be (a) placed in other magazines appropriate for the storage of those explosive materials under this subpart, or (b) placed a safe distance from the magazines under repair where they are to be properly guarded and protected until the repairs have been completed.
Title 27: Alcohol, Tobacco and Firearms
PART 555—COMMERCE IN EXPLOSIVES
Subpart K—Storage
§ 555.216 Repair of magazines.