Massachusetts Approved Firearms Roster: Ruger GP100
The Massachusetts approved firearms rosters list 22 versions of the Ruger GP100. Each line below is shown as the roster prints it.
Checked against the current official editions: Approved Handgun Roster, October 2026, Formal Target Shooting Firearms Roster, April 2026, Olympic Competition Firearms Roster, May 2018
| Version as listed | Caliber | Action | Roster | UPC |
|---|---|---|---|---|
| GP100 (01757) | .22 LR | Revolver | Approved Handgun Roster | |
| GP100 (01758) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (01761) | .44 Spl | Revolver | Approved Handgun Roster | |
| GP100 (01775) | 10mm | Revolver | Approved Handgun Roster | |
| GP100 (1702) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1703) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1704) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1705) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1706) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1707) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1711) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1712) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1715) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1716) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1718) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1719) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1720) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1727) | .38 Spl +P | Revolver | Approved Handgun Roster | |
| GP100 (1748) | .327 Federal Mag. | Revolver | Approved Handgun Roster | |
| GP100 (1754) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP100 Match Champion (01755) | .357 Mag. | Revolver | Approved Handgun Roster | |
| GP101 (01771) | .357 Mag. | Revolver | Approved Handgun Roster |
Specifications of the Ruger GP100, model 1707
- Caliber
- .357 Magnum
- Barrel length
- 6 in
- Overall length
- 11.50 in
- Weight
- 45 oz
- Action
- Double action
- Material
- Stainless steel
From the maker's page listed under Sources, checked October 27, 2026. Versions on the roster can differ in barrel length, sights and finish.
About the Ruger GP100
The Ruger GP100 is a stainless steel double-action .357 Magnum revolver. Its cylinder locks into the frame at the front, rear and bottom.