A Ruger SP is likely in my future. I learned of a series of books called IBOK’s ( Iowegan’s Books of Knowledge). They used to be available for. Introduction. The Ruger SP is a great revolver, but the factory double action trigger pull can be heavy and a bit rough. It can be improved with a “trigger job”. In the library they have DIY tutorials for Ruger revolvers called the “Iowegian book of Knowledge” (IBOK). They’re pretty informational and have.

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Hold the crane so the flat surface is up. Lapping will help reduce fouling but does very little for accuracy or velocity. I installed 8 trigger return spring. Ruver off the end of the gauge and drill or punch a hole slightly larger than the pin that’ll go in the hole. A Ruger SP is likely in my future.

Submit a new link. Mon Dec 03, I just purchased a Used Gp made in Printing costs went up, postage went up, and sales went down. Put a drop of oil on the short slotted end of the ejector rod part Any significant changes to these parts can make the trigger pull worse or render the revolver useless.

If not, force solvent into the firing pin hole and push the firing pin in multiple times to help clean out the firing pin and hole. Pull the ejector rod part 11 out of the cylinder. Then someone had to post it other places on the internet. Hmm, I’ll have to try that. Ruger GP Due to copyright issues the urger had to be removed. Allow the trigger to spring forward to retain both the transfer bar and pawl. Some GPs have a smooth trigger but still heavy rugwr to the overly heavy main springand others are quite gritty.


Good stuff rugrr there! Contact Please feel free to email me at: Insert the end of the front latch part 13 with the squared step into the lower long slot of guger ejector rod. If you’re looking for info on ‘s, I’d like to suggest m It must be very smooth. Tue Dec 04, 2: Use your left thumb to push the trigger guard latch in part Iowegan, Thanks for the copy you sent me the other day,it’s real helpful.

I also would be interested in the SP and Ibko books.

Ruger SP101 IBOK

With the revolver fully assembled, use a feeler gauge to measure the gap between each side of the hammer or trigger and the frame. Original gun springs were 11 for trigger return and 14 for hammer spring.

With the cylinder latch part 6 rounded area up, start the cylinder latch on the trigger guard frame shaft top front. One covered the GP, one covered the SP and I think there was also one that delved into the mysteries of the Iowegan is a champion among men,he gave us his lifes knowledge of the mechanics of firearms.

By using this site, you agree to the following. You may be able to use either one, however the 10 lb spring will have a more positive trigger reset. This becomes very important when light hammer springs are used.

Ruger GP Book of Knowledge « Gunner’s Journal

Members need 10 or more posts to access it Several parts in the revolver are carefully fitted at the factory. When the hammer strikes the transfer bar and ihok turn the firing pin, much of the energy is dissipated by the top step on the hammer hitting the frame. GPs come from the factory optimized for jacketed bullets. Jan 6, Be careful with this step because if you slip off, the spring and seat will launch under considerable force.


Ruger SP Trigger Job Guide

When you reassemble, the strut must be installed the same exact way it came out. The endshake bearings are nothing more than washers. Riger my new GP six inch barrel in stainless. If you didn’t receive the email from me, please PM me again and I’ll retry. If any light primer hits I”ll go to heavier hammer spring.

You can then install very light hammer springs and still get lock times just as fast as a factory spring with a factory hammer while having plenty of energy on the firing pin for reliable primer detonation.

If the latch binds, you will have to locate the bind and dress the frame or crane latch. This makes the spring and trigger link plunger part 47 drag and bind in both SA and DA. Posted December 13, When sanding, your goal is to smooth the rough spots while removing as little metal as possible. The barrel and frame are the host assembly.