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Guncrafter Industries are selling a .50 GI conversion kit for the the Glock 20/21.
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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 | ||
|---|---|---|
| Type | Handgun | |
| Place of origin |   United States |
|
| Production history | ||
| Designer | Vic Tibbets / Alex Zimmermann | |
| Designed | 2004 | |
| Manufacturer | Guncrafter Industries | |
| Specifications | ||
| Case type | Rebated, 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 length | 1.221 in (31.0 mm) | |
| Ballistic performance | ||
| Bullet weight/type | Velocity | Energy |
| 275 gr (17.8 g) JHP | 900 ft/s (270 m/s) | 492 ft·lbf (667 J) |
| 300 gr (19 g) JHP | 860 ft/s (260 m/s) | 493 ft·lbf (668 J) |
The kit will retail for $595.
Hat Tip: Foodpounds
