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Ruger 10/22 Accuracy Firing Pin for Minimal Rim Disruption
Ruger 10/22 Accuracy Firing Pin for Minimal Rim Disruption

Ruger 10/22 Accuracy Firing Pin for Minimal Rim Disruption

Your Price:$19.00

Part Number:127-169

Ruger 10/22 Accuracy Firing Pin
Wider Impact Surface Disrupts the Rim Less, Improves Accuracy Potential
  Firing pin impact plays a critical role in the accuracy of rimfire cartridges. For example, the Russians developed a 2-pin system that dominated the Olympics. The Casull Silhouette 22 adopted a similar system and dominated IHMSA silhouette competition. The Ruger 10/22 is not suited to a double firing pin, but the existing pin has lots of room for improvement due to it's small, sharp impact face. The problem with too small of an impact face is that it can cut too deeply into the rim of some of the more sensitive (and accurate) ammunition types. Sometimes it can even cut deep enough to cause rim ruptures.
  We're now offering a more precisely machined firing pin with a full sized impact surface... approximately 3 times the surface area of the factory firing pin. We've been using these without modification and achieved 100% ignition reliability and superb accuracy. What we recommend you do is, install this Accuracy Firing Pin in your Ruger 10/22 and try it. If you get any misfires, you can add some bevel to reduce surface area and make the pin hit a little deeper. The idea is to get reliable ignition with minimum rim disruption. Highly recommended for all 10/22s.
  Click Here to see ALL of our Ruger 10/22 Accessories!

5 Stars
We were having trouble with both 10/22 .17 HM2 conversions blowing the case rim approximately 1 out of every 12 to 15 rounds. This didn't damage anything, but if you weren't wearing glasses it was dangerous. We went back to the stock Ruger bolt from the Volquartsen .17 bolts we had installed, added the heavy charging handle, and swapped the firing pin for the Accuracy pin. Problem solved. Even with the added surface area of this firing pin, it detonates every round. It makes sense that a standard pin can perforate the case causing case head rupture on the .17 HM2. Those cases are too thin for the pressure of that round in anything that doesn't positive lock (like a bolt action). Not having the sharp dent that a standard pin makes on the primer does help to keep the case from rupturing. It's made both rifles much more of a pleasure to shoot!
Reviewed by:  from Peoria, IL. on 4/26/2015
5 Stars
22 Shooter
Great firing pin. Would highly recommend.
Reviewed by:  from Loganville,Ga.. on 3/11/2015

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