Tcr 87 - Graybeard Outdoors
 
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post #1 of 10 (permalink) Old 06-22-2020, 06:04 PM Thread Starter
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i have a TCR 87 had it for many years. It has a 223 barrel and is a great shooter and a lot of fun. thought id pick up a new barrel for deer. i bought a 243 barrel for it from one of the online sites. Looks new locks up nice. But wont fire can heard the action go but sound much lighter than with the original barrel. Any help would be appreciated.
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post #2 of 10 (permalink) Old 06-23-2020, 12:04 PM Thread Starter
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maybe some more info will help. the barrel thats not working sounds like the hammer falls when the trigger is pulled. just not as hard as other barrels. also there is no primer strike at all. used a dial caliper measured all the lock up parts on the barrel. compared the to other barrel they look real close.
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post #3 of 10 (permalink) Old 06-23-2020, 12:47 PM
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Check head space that would be good place to start Iowa Don is an expert on these rifles he is a member here.

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post #4 of 10 (permalink) Old 06-23-2020, 01:50 PM Thread Starter
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the action is not for lack of better word firing. you can hear the hammer drop but its half the sound as with other barrels. i dont think the firing pin is moving at all.
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post #5 of 10 (permalink) Old 06-23-2020, 03:22 PM
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Firing pin spring could be weak, my 93 mouser was that way nice deep primer mark but not hard enough to set the primer off changed spring no more problem. You might spray a little blaster in the firing pin hole and see if that helps.

Deaconllb

U S Air Force Korean vet. NRA Member
Fourth fighter wing Kimpo Korea 1952 Fourth but first, the mig killers.
533rd material ,air defence Oxnard AFB 1953-1955
Pastor of the CBCG-Fellowship group Tulsa Oklahoma.
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post #6 of 10 (permalink) Old 06-23-2020, 09:01 PM
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Is the safety off all the way?
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post #7 of 10 (permalink) Old 06-23-2020, 09:01 PM Thread Starter
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all the other barrels work fine with the action as is. its has to be the 243 barrel lug or lock up. just not sure whats causing the weak hammer movement.
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post #8 of 10 (permalink) Old 06-24-2020, 10:59 AM
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How much space between barrel and frame, it does not take much, can you get a feeler gage between the mono block and frame hold it up to the light can you see any gap I think the head space can be shimmed drop Iowa Don a pm he can help you better than we can.

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Fourth fighter wing Kimpo Korea 1952 Fourth but first, the mig killers.
533rd material ,air defence Oxnard AFB 1953-1955
Pastor of the CBCG-Fellowship group Tulsa Oklahoma.
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post #9 of 10 (permalink) Old 06-24-2020, 06:44 PM Thread Starter
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locks up tight no gap. have it at gunsmith now.
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post #10 of 10 (permalink) Old 06-29-2020, 05:16 PM Thread Starter
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the gap in the lug was .002 to small removed a little metal. locks up great shoot good
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