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Drop Test Procedure


H.P. White Laboratory, Inc.
HPWLI Job No. 7342-01
(Sheet 1 of 3)
DATA RECORD

Date: 17 March 1997

-SAAMI Drop Test-
ANSI/SAAMI Z299.05-1990
(Pistols and Revolvers)

Gun Description: North American Arms, Inc. .22 Magnum

Procedure, Drop Test - Drop with full magazine, chambered primed case and in "safe carrying" condition from a height of 4 feet (measured from guns' center of gravity) onto a concrete surface with a 1 inch thick rubber mat (85 Durometer, Shore A). Testing of guns with variable trigger pull will be conducted with the trigger pull set at a minimum recommended by manufacturer (Note: This test does not apply to guns with a design trigger pull of less than 3 pounds.) The complete test MAY be conducted using a different gun for each drop of the test. The complete series of drops are to be conducted with the gun in its lightest and heaviest configurations, ie, catalogued accessories and fully loaded. Prior to the initial drop of this test, each gun will successfully fire 10 cartridges from the same lot of ammunition to be used in the drop testing. Subsequent to each drop which does not result in a discharge, the gun will be re-cocked (if necessary) and fired to demonstrate the suitability of the test cartridge's priming system.


Test Gun (Serial
Number)
Weight
(lbs)
Trigger Pull
(lbs)
Impact Orientation Fire No Fire
01 Z37225 .40 3.70 Barrel Vertical-Muzzle Down   X
02 Z37225 .40 3.70 Barrel Vertical-Muzzle Up   X
03 Z37225 .40 3.70 Barrel Horizontal-Bottom Up   X
04 Z37225 .40 3.70 Barrel Horizontal-Bottom Down   X
05 Z37225 .40 3.70 Barrel Horizontal-Left Up   X
06 Z37225 .40 3.70 Barrel Horizontal-Right Up   X
REMARKS- (a) Weight Fully Loaded - .45 pounds.


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