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Lowest trigger pull?

This is a discussion on Lowest trigger pull? within the Modern M14 forums, part of the M14 M1A Forum category; Whats the lowest trigger pull that a Springfield trigger be brought down to safely? Thanks in advance...


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Old March 28th, 2013, 05:49 PM   #1
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Lowest trigger pull?

Whats the lowest trigger pull that a Springfield trigger be brought down to safely?
Thanks in advance

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Old March 28th, 2013, 06:17 PM   #2
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"Springfield" doesn't mean much, although since your posting is in the Modern M14 Forum, I will assume you mean a Springfield ARMORY INC. M1A. The M1A rifle's trigger is exactly the same as an M14 (and substantially similar to an M1 Garand).

If you are asking what the lowest SAFE trigger pull an M1/M14 two-stage trigger can be brought down to, then the no-brainer answer is 4.5 pounds of TOTAL pull (i.e. combined first and second stage = take up/slop and then release). Going under 4.5 pounds also renders the rifle disqualified for service rifle matches. When I do trigger work, I keep the weight closer to 4.75 pounds just to avoid getting close to 4.5 pounds.

Most "stock" M1 and M14/M1A triggers run about 6 to 6.5 pounds (again, it's a MILITARY two-stage trigger), so bringing it down to to a match trigger pull weight is something you will most definitely feel and you end up with a nice crisp (and reasonably light) 2nd stage release.

I suspect you could do some modifications/welding up etc. to the trigger that MIGHT be safe and reliable, but it's not a practical idea.

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Old March 28th, 2013, 06:21 PM   #3
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Dont go under 4.5 pnds.

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Old March 28th, 2013, 08:16 PM   #4
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I have a radar gi trigger that can be adjusted to 2.5lbs and its scary

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Old March 28th, 2013, 08:24 PM   #5
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4.5 lbs. for SAFE operation.


louie, out!

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Old March 28th, 2013, 08:50 PM   #6
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One of mine has been worked over and the second stage is a little lighter than stock but I still consider it safe. I was more looking to get a nice crisp release free from any creep rather than to make it super-light. I sent my trigger group to Bill Springfield and he did a great job - just what I wanted. My other gun had a nice trigger just the way it was.

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Old March 28th, 2013, 09:34 PM   #7
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For all of us who don't plan on match use...

Why doesn't someone make a drop in, like timney, jewel, etc.

I'd be interested in a 3 lb single stage. I know I'll get raked because it's "not safe." Which I would argue is crap if you know how to shoot.

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Old March 29th, 2013, 02:51 AM   #8
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Quote:
Originally Posted by swagbrdr View Post
For all of us who don't plan on match use...

Why doesn't someone make a drop in, like timney, jewel, etc.

I'd be interested in a 3 lb single stage. I know I'll get raked because it's "not safe." Which I would argue is crap if you know how to shoot.
the GI trigger is NOT SAFE below at 4.5 pounds because it may go FULL AUTO (or FAIL from getting jostled or bumped). No matter what you think is "crap," other people on the range may not be so happy. This unhappiness would be there whether you know how to "shoot" or not--(whatever that means).

I think Kuhnhausen's M1 manual (not 100% sure as I haven't looked at one in ages) had/detailed an M1/M14 trigger modification (that involved welding up and reshaping engagement surfaces) that converted the military two-stage trigger into a single-stage unit. As far as I know, EXACTLY nobody does this work (anymore). The problem also is that, to be legal at Service Rifle matches, this modified/single stage trigger would STILL have to be 4.5 pounds or more.

Frankly, a (standard) M1/M1A trigger set at 4.5 pounds (or a bit more) feels pretty crisp and light because once you take up the 1.5 to 2.0 pounds of "take-up/slop" you in fact HAVE (around) a 3 pound "single stage" release. You quickly get used to this and probably won't need/want anything less.

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Old March 29th, 2013, 07:35 AM   #9
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There are several considerations about what is 'safe'.

The 'military' (CMP and NRA) minimum of 4.5 lbs probably results from the type of competition in which the rifles would be used. For example the 'Rattle-Battle' Team Infantry Trophy match, and the 'rapidfire' stages of HP matches. In those situations the rifle is shot quickly and gets handled and moved around a lot.

If the rifle is only used in situations such as single shot loading slow-prone, or benchrest, then a reliable lighter trigger would work fine.

BUT, there should also be a concern of legal responsibiliy....
The 4.5 lb minimum is quite well-known.
If there is an accident with a DIY lighter weight trigger, that might be trouble.

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Old March 29th, 2013, 09:11 AM   #10
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I have a trigger pull on one of my scoped M14s that sits right above 4.0 lbs. Works like a charm. No doubling with a reliable crisp break. Went a bit too far, but the pull was so great I left it alone. 30 seconds with some emory paper would bring it back to five, but with no failures I kept it.

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Old March 29th, 2013, 09:19 AM   #11
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Rookie question that I could just google...
How do I lower my trigger pull pressure?

I have a factory M1A Scout.

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Old March 29th, 2013, 09:39 AM   #12
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Quote:
the GI trigger is NOT SAFE below at 4.5 pounds because it may go FULL AUTO (or FAIL from getting jostled or bumped). No matter what you think is "crap," other people on the range may not be so happy. This unhappiness would be there whether you know how to "shoot" or not--(whatever that means).

I think Kuhnhausen's M1 manual (not 100% sure as I haven't looked at one in ages) had/detailed an M1/M14 trigger modification (that involved welding up and reshaping engagement surfaces) that converted the military two-stage trigger into a single-stage unit. As far as I know, EXACTLY nobody does this work (anymore). The problem also is that, to be legal at Service Rifle matches, this modified/single stage trigger would STILL have to be 4.5 pounds or more.

Frankly, a (standard) M1/M1A trigger set at 4.5 pounds (or a bit more) feels pretty crisp and light because once you take up the 1.5 to 2.0 pounds of "take-up/slop" you in fact HAVE (around) a 3 pound "single stage" release. You quickly get used to this and probably won't need/want anything less.
Look, I understand the safety aspect of 4.5 lbs and the USGI trigger group. What I'm looking for is one of these companies that make triggers for a living, design a trigger group that's safer (and perhaps better) than the USGI design that just drops-in. You can get these kind of triggers for an AR-10 at 3 lbs and they're single stage. If these were dangerous triggers, I highly doubt they would produce these just on liability alone.

My rifle is set-up for long range hunting, bench, and prone shooting. This is not a run-around and waste a lot of ammo rig. Again, I have no intentions entering this rifle into a match setting.

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Old March 29th, 2013, 10:29 AM   #13
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On a good day at the range I may shoot several different rifles. My previous ACCURATE semi auto rifle was an AR10 with a 2.5 lb trigger. My AR 15 has a RRA match trigger at a beautifully crisp 4 lbs. Most of my M14 rifles, set up for range or tacticool, have the triggers set at about 5 lbs. Because I am constantly swapping stocks on my M14 rifles i NEVER set up my 14s for less than.4 3/4 lbs.

Shooting beside my other semi auto service rifles the AR 10 was too scary for me so I sold it to Police SWAT sniper who can actually.work with such a light trigger on the range and in the real world.
My favorite trigger is 4 lb RRA in thr 15.
Going less than 4 lbs on any trigger for a semi auro service rigle does not appeal to me perdonally.

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Old March 29th, 2013, 10:42 AM   #14
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The only 'lower weight' trigger mechanism that I know about for M1a / M14 is the RADER product, and I don't know if they are still available...

http://www.midwayusa.com/product/887...-trigger-group

Other option is to learn how to do a DIY trigger job, and go as low as still acceptable to you. Adding back pull-weight IS possible if you go too far. Doing the trigger job takes some knowledge about how the standard trigger mech works, and some skill and patience doing fine metal work... but it is not 'brain surgery'.

You can also ask around to see if there is a gunsmith willing to do it.

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Old March 29th, 2013, 12:15 PM   #15
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SAI no longer makes the radar. I called SAI and asked...

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