.50 Glock

Steve Johnson
by Steve Johnson

Guncrafter Industries are selling a .50 GI conversion kit for the the Glock 20/21.

Click to expand the image

The .50 GI round should not be compared to the Desert Eagle’s .50 Action Express or the .500 S&W. It is slightly more powerful than the .45 ACP.

Wikipedia information on the .50 GI:

.50 GI

Place of origin United States

Production history

DesignerVic Tibbets / Alex Zimmermann
ManufacturerGuncrafter Industries


Case typeRebated, straight
Bullet diameter.515 in (13.1 mm)
Neck diameter.526 in (13.4 mm)
Base diameter.526 in (13.4 mm)
Rim diameter.480 in (12.2 mm)
Case length.899 in (22.8 mm)
Overall length1.221 in (31.0 mm)

Ballistic performance

Bullet weight/typeVelocityEnergy
275 gr (17.8 g) JHP900 ft/s (270 m/s)492 ft·lbf (667 J)
300 gr (19 g) JHP860 ft/s (260 m/s)493 ft·lbf (668 J)

The kit will retail for $595.

Hat Tip: Foodpounds

Steve Johnson
Steve Johnson

I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!

More by Steve Johnson

Join the conversation
2 of 21 comments