For Use In:
 Ruger SP-101 Revolvers - All Centerfire Calibers including .22 caliber models produced through 2003
 Not for use in redesigned .22 caliber models produced starting in 2011 - use Shooters Pak below

Shooter's Pak - Reduced Power - This pak contains 1 each 9, 10 and 12 pound reduced power hammer springs for Ruger SP-101 series revolvers and 1 each 8 pound trigger return spring allowing adjustment for lighter and smoother trigger and hammer action. Note: Factory trigger return spring is 10 pounds, factory hammer spring is 14 pounds.

For Use In:
  Ruger SP-101 .22 caliber revolvers redesigned and reintroduced in 2011
  All other SP-101 models use Shooters Pak above

Shooter's Pak - Reduced Power - This pak contains 1 each 13, 14 and 15 pound reduced power hammer springs for Ruger SP-101 .22 caliber revolvers produced since 2011.  Pak also includes 1 each 8 pound trigger return spring allowing adjustment for lighter and smoother trigger and hammer action. Note: Factory trigger return spring is 10 pounds, factory hammer spring is 16 pounds.

For Use In:
 Ruger SP-101 Revolvers - All Calibers including .22 caliber models produced through 2003
  Not for use in redesigned .22 caliber models produced starting in 2011 - use hammer springs below.

• Reduced Power...: 9, 10, 11 and 12 Lb.
• Factory Standard.: 14 Lb.
• Extra Power.........: None Available
  

 For Use In:

For Use In:
 Ruger SP-101 - all calibers and models.

Trigger Return Springs - Reduced Power - The reduced power trigger return spring (trigger guard latch spring) for the SP-101 series revolvers is available in 8 pounds only. The factory spring is rated at 10 pounds.