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Rifles, Reloading, Optics, Equipment
Rimfire and Airguns
CZ 457 Found the problem
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<blockquote data-quote="LoneTraveler" data-source="post: 1902261" data-attributes="member: 77249"><p>I bought a CZ457 last fall and adjusted the trigger put scope on. Shot the rifle a little and went squirrel hunting. </p><p>The trigger never felt smooth in its release. A couple days ago I thought it was time to check the trigger out. I removed the trigger, When I drove the pin out and looked at the black center section. On one side of the sear was a small shinny spot. No contact with the rest of the sear surface. I drove the Trigger pin out and removed trigger and sear parts. </p><p>I removed the little shinny spot and smoothed the top of the trigger sear also. A little smoothing with a 8000 grit water stone. With readjusting all the screws, The trigger is now 2 1/4 lb. that breaks like an ice sickle. </p><p></p><p>If you are confident and have tools to properly do this, Here is a few suggestions, IF NOT TAKE IT TO A GUNSMITH.</p><p>Be sure to have a support plate with proper hole for the trigger housing when removing the trigger pin, I drilled a little of the flange off the pin before I tried to drive it out from right side.</p><p>The receiver pin has the smallest E clips I have ever worked with. Any thing magnetic tool will snitch them. Put in pill bottle till reassembly time. Made a short dummy pin to hold the 2 sections for reinstall out of a piece of bamboo shiskabob stick, to hold the sear and trigger housing together till I got it in and punch aligned to put the original pin back in. </p><p>Use a little grease in the spring hole on the trigger to hold the spring, till you get it back in the adjustment hole of the housing.</p></blockquote><p></p>
[QUOTE="LoneTraveler, post: 1902261, member: 77249"] I bought a CZ457 last fall and adjusted the trigger put scope on. Shot the rifle a little and went squirrel hunting. The trigger never felt smooth in its release. A couple days ago I thought it was time to check the trigger out. I removed the trigger, When I drove the pin out and looked at the black center section. On one side of the sear was a small shinny spot. No contact with the rest of the sear surface. I drove the Trigger pin out and removed trigger and sear parts. I removed the little shinny spot and smoothed the top of the trigger sear also. A little smoothing with a 8000 grit water stone. With readjusting all the screws, The trigger is now 2 1/4 lb. that breaks like an ice sickle. If you are confident and have tools to properly do this, Here is a few suggestions, IF NOT TAKE IT TO A GUNSMITH. Be sure to have a support plate with proper hole for the trigger housing when removing the trigger pin, I drilled a little of the flange off the pin before I tried to drive it out from right side. The receiver pin has the smallest E clips I have ever worked with. Any thing magnetic tool will snitch them. Put in pill bottle till reassembly time. Made a short dummy pin to hold the 2 sections for reinstall out of a piece of bamboo shiskabob stick, to hold the sear and trigger housing together till I got it in and punch aligned to put the original pin back in. Use a little grease in the spring hole on the trigger to hold the spring, till you get it back in the adjustment hole of the housing. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rimfire and Airguns
CZ 457 Found the problem
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