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July 2009

Guncrafter Industries 50 GI Kit: Great Conversion for Glock 21

The big polymer Model 21 45 ACP from Glock didn’t impress us all that much, but it did serve as an able platform for the easy-to-install 50-caliber Guncrafter slide and barrel.

Alex Zimmerman has a great idea. We first experienced it a while back in our review of one of his Guncrafter Industries' 50-caliber 1911s, which we found to be a well-made handgun, if a bit on the costly side. Zimmerman's idea is to give the shooter something more without the cost of broken hands. Rather than a bang-up, hot and heavy blaster, the 50 GI is a throwback to older times when big bullets traveled at

The Glock 21 converts easily to the Guncrafter Industries 50 GI caliber. The conversion consists of a barrel, slide and magazine. The limitation of the bigger bore and its better crushing power are limited by the platform. We liked the conversion, but not the Glock to which it attached. Still, it’s a potent and easily handled package with no problems.

low velocities and got the job done at least as well as any small-caliber, high-velocity round. Some 200 years ago the norm was single-shot or occasional double flintlock pistols, which commonly threw balls of…

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