Corbon 160-gr. 45 ACP DPX "Compact Gun Load"... - Pistolsmith

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Old 08-08-2005, 07:20 PM   #1
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Corbon 160-gr. 45 ACP DPX "Compact Gun Load"...

Hello. I recently got my mitts on some of Corbon's new "Compact Gun Load" in .45 ACP. This standard pressure load uses the Barnes X-bullet as do the company's other calibers in the DPX line.

I did not concentrate on informal expansion testing. Others with access to ballistic gelatin are doing so, but when fired into water from a Colt Defender having a 3" barrel, bullets expanded without fail and looked almost like identical twins. This bullet normally penetrates between about 12 and 13" in 10% ballistic gelatin. Weight-loss is practically nonexistant.

This is Corbon's 160-gr. "Compact Gun Load" and an expanded bullet that was fired into water from a Colt Defender. Dimensions are 0.81 x 0.79 x 0.67" tall.

Even though this round is designed with the compacts in mind, I also fired it from a Commander and a Dan Wesson Patriot with barrels measuring 4.25 and 5", respectively.

Based on 10 shots fired approx. 10' from the chronograph, the following average velocities were obtained:

Colt Defender w/3" bbl:
1082 ft/sec

Colt Commander/4.25" bbl:
1178 ft/sec

DW Patriot w/5" bbl:
1217 ft/sec

Accuracy was very satisfactory and feeding was without hesitation in each of the guns tried. Actual muzzle velocities exceed the "1050 ft/sec" printed on the box. There were no malfunctions.

This 5-shot group was fired with the Defender at 15 yards. Shooting was done in slow-fire, with two-hand hold and from a seated position.

The "Compact Gun Load" is reportedly tweaked to provide performance meeting today's accepted expansion/penetration standards and at standard pressures, not +P.

For those interested in more detail, click on the link below: ... %20DPX.htm

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Old 08-08-2005, 07:38 PM   #2
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Location: Tucson, AZ
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Great report Stephen, should be a great load for Glock 30's and 36's!
Old 08-08-2005, 07:48 PM   #3
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Join Date: Mar 2001
Location: Southwest
Posts: 2,371
Hello. Thanks very much. I'm glad the post was of interest.


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