Test Gun: Sig P229, Kahr Mk9.
Barrel length: 3.9, 3 inches.
Ammunition: Liberty’s 9mm +P 50gr Civil Defense
Test media: 10% Clear Ballistics Gel.
Distance: 10 feet.
Chronograph: Caldwell Ballistic Precision Chronograph G2.
Five shot velocity average: 2026fps Sig
Gel Temperature 70 degrees.
*Note* This test was conducted with Clear Ballistics Gel. Clear Ballistics is a synthetic gel and does not correlate with Organic gelatin like Vyse Ballistics gelatin.
Following on the heels of the .357 Civil Defense, I tried the 9mm version of it. This bullet appears to be the same as the .357 loading but in this case with a little more velocity. More then likely the velocity difference is to do to the barrel length difference.
From the Sig P229, I got an average 5 shot velocity of 2026fps with a high of 2041 and a low of 2008fps. The point of aim point of impact was much better than with the .357.
The first round out of the Sig P229 had a velocity of 2052fps. Fragments were recovered from the 3.5 to 5.5-inch range. The bullet core penetrated to 10.25 inches and had a recovered weight of 27 grains. The weight of the recovered fragments was 17.9 grains. The second round’s velocity was 2040fps and the bullet fragmented at 3.5 to 4.5 inches. The bullets core was recovered at 11.75 inches and weighed 29 grains. The recovered fragment’s weight was 22 grains.
When shooting through heavy clothing the first round hit the block at 2043fps. The bullet’s fragmentation started at 2.5 inches and continued to the 4-inch mark. The bullet core penetrated to 11.75 inches and had a recovered weight of 29.3 grains. The recovered fragment’s weight was 16.6 grains. The second round had a velocity of 2058fps and the core penetrated to 10.25 inches. Fragmentation was 3.5 to 4.5 inches. The total weight of the fragments was 17.9 grains and the core was 27 grains.
When fired through the Kahr MK9 the first round had a velocity of 1890fps and began fragmenting at 3.25 inches and continued to 4.5 inches. The core penetrated to 10.5 inches and had a recovered weight of 29.5 grains. The second round’s velocity was 1870fps and its fragmentation was 3.5 to 4 inches. The total weight of the fragments was 22.2 grains. The core penetrated to 11.25 inches and its weight was 27.3 grains.
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