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Remington Fieldmaster 572 pump 22;won't activate trigger

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Copper BB
Posts: 2
Joined: Thu Jul 19, 2018 9:54 pm
PostPosted: Thu Jul 19, 2018 10:10 pm
I have older 1955 remington 572 pump 22; not shot much in last 15 years;now when I pump a cartirige into the chamber sometimes it won't go in completely and the trigger is not armed. This will also happen when the gun is empty and I activate the pump it will not set the trigger. Any ideas to what part I should replace ?
It is intermittent problem. Today I went to gun range to sight in my scope and it worked good with LR Hollow points for about 20 shots and then it started to not activate the trigger. Sometimes it worked and then it was so bad that I quick firing and came home. Any ideas ??
Usually I will eject the round and try to pump in new round and really jam the forearm hard so it will set the round and activate the trigger. Sometime I need to eject and load 3 or 4 times before it will load the round and activate the trigger.
Sometimes the ejected 22 round is bent because I used so much force to close the chamber!
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.270 WIN
Posts: 249
Joined: Fri Aug 29, 2014 3:59 pm
Location: SouthEast Alaska
PostPosted: Fri Jul 20, 2018 11:26 am
My first question is when was the last time the rifle was cleaned, and not "just" the bore but the internals? Take it apart (use the owners manual which is available online) and give the gun a good clean and light lube. Then see if the issue repeats. You could have fouling from some dirty 22 ammo like CCI Blazer. The floating chamber on these (used to accommodate Shorts, Longs and Long Rifle) needs to be kept clean and lubed.
NRA Life, NAHC Life, Retired USN
Pain heals, chicks dig scars .... glory, lasts forever!

.270 WIN
Posts: 488
Joined: Sat Oct 26, 2013 4:00 pm
PostPosted: Fri Jul 20, 2018 5:11 pm
This is the reason I prefer bolt actions. Less bullsh**. By the way good info Scorpion8.

Copper BB
Posts: 2
Joined: Thu Jul 19, 2018 9:54 pm
PostPosted: Sat Jul 21, 2018 12:13 am
Thank you Scoprion 8==I didn't know what the floating chamber did ,but I noticed it was sticky. I will clean it and lube it and see if that helps.
The pump action looks like it worked, but it does not go in completely.
If the floating chamber is worn or broken will it work better if I try short loads and not the LR hollow point ?
Can I buy a new 'floating chamber" ?
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Administrator
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PostPosted: Sat Jul 21, 2018 5:35 pm
I had a floating chamber in one of Practical Solutions 22lr Mac 10 machinegun conversion uppers.

It worked pretty well, but wasn't as reliable as I had hoped.

Numrich gun parts often have a lot of different parts for many different makes and models.
When people ignorant of guns make gun laws, you end up with ignorant gun laws.
-Me
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.270 WIN
Posts: 249
Joined: Fri Aug 29, 2014 3:59 pm
Location: SouthEast Alaska
PostPosted: Mon Jul 23, 2018 1:38 pm
I own a few of the Remington S-L-LR capable models and they all shoot well and function reliably as long as they are kept clean and lightly used. It is not much of a difference maker anymore, but as a kid in the early 70's when a box of Shorts was $0.10 and a box of LRs was $0.25, you had a lot more fun shooting Shorts. And more skill was needed to be accurate with them. But too many of these gun models were "shot-alot" and put away years ago as we grew, had other priorities, got families, and so forth. Clean that Fieldmaster up, clean it well, and give it a light lube of RemOil or BreakFree CLP.

I'm sure Numrich has the parts, but I'll bet you just have sticky old oil in there and a lot of grime from dirty 22LR rounds like Thunderbolt or CCI Blazer. Man, I recall when you got a brick of Blazer for $9.99, or $6.99 on sale. Used to shoot a LOT of that stuff. And, of course, used to clean guns a LOT.....
NRA Life, NAHC Life, Retired USN
Pain heals, chicks dig scars .... glory, lasts forever!

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