@Formidilosus did you have a hand in this
3. TESTING REQUIRMENTS
a.
Drop Test.
The suppressor shall be attached to the muzzle in accordance with the suppressor manufacturer’s recommendations.
ii. The suppressor shall be capable of passing the below test criteria for drop testing from a height of 4.00 feet (1.22 meters) onto a drop test surface meeting the requirements detailed in the American National Standard SAAMIZ299.5, backed by concrete.
iii. The drop test surface and concrete shall be large enough so that when the gun is dropped it will fall and come to rest without interference within the perimeter of the surface.
iv. The 4.00 feet (1.22 meters) drop height shall be measured from the surface of the drop test surface to the center of gravity of the firearm, with the suppressor mounted.
v. The center of gravity shall be determined to an accuracy of ± 1.00 inch (25.4mm) by any recognized method for finding the center of gravity of anirregular shaped object.vi. A separate firearm and/or suppressor may be used for each drop.
b. Test Procedure
i. The firearm(s) shall be dropped in such a way as to strike the drop test surface in each of the following attitudes:
1. Barrel vertical, muzzle down.
2. Barrel vertical, muzzle up.
3. Barrel horizontal, bottom up.
4. Barrel horizontal, bottom down.
5. Barrel horizontal, left side up.
6. Barrel horizontal, right side up.