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This is a discussion on Trigger Shoe within the Modern M14 forums, part of the M14 M1A Forum category; Guess I'm going to need two of those babies also....


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Old August 7th, 2011, 03:20 PM   #61
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Guess I'm going to need two of those babies also.

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Old August 8th, 2011, 05:14 AM   #62
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OK, I'm gonna hijack this thread - sort of.

Tom suggested I throw a question at you guys. I'm a good friend of Tom's, and have helped him with some of the engineering on his AR trigger design. Two years ago, while sitting at Camp Perry (some beer was involved), we were discussing what other triggers could be improved using his concepts. I thought about M-1/M-1A. Tom was on the fence - too small a market. I was over the fence: sure, the market is small, but since there are no other offerings out there, 100% of a small market might still be significant.

Here is my idea: I have a design for a 100% adjustable M-1 trigger, that can be adjusted for both pull weight, and second stage sear engagement, without any filing or stoning on the sear tips. It is a drop in, with no mods to the rifle needed.

Benefits: you can do an awesome trigger job without grinding through the surface hardened layers of the sears, so it would not wear (a lot of trigger jobs are awesome when new, but several hundred rounds in, begin to change).

This project would start with new USGI triggers, which would be modified to add a spring to allow pull weight to be adjusted, and I would make a new disconnector out of tool steel which would incorporate an adjustment screw to change 2nd stage sear engagement, as well as steepening the disconnector face (consistent with the USMC manual) to increase sear engagement on recock. The new discon would be full depth hardened.

I expect a challenge would be finding a source of USGI triggers, as everyone's supply seems to be drying up, but I'll work that issue as I go.

Cost will likely be in the $120 to $150 range.

What is the interest level? This is no doubt more expensive than a trigger job costs, but it will make a more stable trigger, and one which can safely be shot at under 4-1/2 lbs.

Thanks,

Art

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Old August 8th, 2011, 05:37 AM   #63
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Quote:
Originally Posted by art7 View Post

Here is my idea: I have a design for a 100% adjustable M-1 trigger, that can be adjusted for both pull weight, and second stage sear engagement, without any filing or stoning on the sear tips. It is a drop in, with no mods to the rifle needed.

Benefits: you can do an awesome trigger job without grinding through the surface hardened layers of the sears, so it would not wear (a lot of trigger jobs are awesome when new, but several hundred rounds in, begin to change).

This project would start with new USGI triggers, which would be modified to add a spring to allow pull weight to be adjusted, and I would make a new disconnector out of tool steel which would incorporate an adjustment screw to change 2nd stage sear engagement, as well as steepening the disconnector face (consistent with the USMC manual) to increase sear engagement on recock. The new discon would be full depth hardened.

I expect a challenge would be finding a source of USGI triggers, as everyone's supply seems to be drying up, but I'll work that issue as I go.

Cost will likely be in the $120 to $150 range.

What is the interest level? This is no doubt more expensive than a trigger job costs, but it will make a more stable trigger, and one which can safely be shot at under 4-1/2 lbs.

Thanks,

Art
Art,

There is a small market for your idea... I have had a few request for such a trigger.

Could your modification be applied to Norinco/Poly Tech M14 trigger groups? SEI has
performed their MAX-PAK upgrade on two of my Chinese trigger groups and they are outstanding.

Kevin

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Old August 8th, 2011, 07:34 AM   #64
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Interesting.
Wolf

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Old August 8th, 2011, 08:05 AM   #65
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Sounds like a revised SA Inc. M25 trigger group, I like it.

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Old August 10th, 2011, 04:26 AM   #66
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Exclamation

A second batch of V2 EBR trigger shoes is inbound.

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Old August 10th, 2011, 05:31 AM   #67
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Come on guys....... My wallet is starting to wear prematurely!






If you make it, they (I) will buy it !!!!!!


Slap on one of those beautiful V2 trigger shoes on an adjustable trigger... You gotcha something sweeter than yoohoo!

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Old August 11th, 2011, 04:43 AM   #68
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Kevin,

Not sure what a Norinco/Polytec trigger group is, or rather, how it is different from USGI.

My idea will involve taking a new USGI trigger, drilling and tapping a hole in it to accomodate a spring plunger. This will allow reduction of the first stage pull force. In addition, I will be making a new disconnector, using tool steel that can be fully hardened. The new disconnector will have an adjustment screw in it for second stage sear engagement.

I have an idea for making the second stage pull weight adjustable as well, but that might make things overly complex. I'll have to prototype it first and see.

Art

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Old August 11th, 2011, 05:08 AM   #69
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Originally Posted by art7 View Post
Kevin,

Not sure what a Norinco/Polytec trigger group is, or rather, how it is different from USGI.

My idea will involve taking a new USGI trigger, drilling and tapping a hole in it to accomodate a spring plunger. This will allow reduction of the first stage pull force. In addition, I will be making a new disconnector, using tool steel that can be fully hardened. The new disconnector will have an adjustment screw in it for second stage sear engagement.

I have an idea for making the second stage pull weight adjustable as well, but that might make things overly complex. I'll have to prototype it first and see.

Art
Art,

Norinco/Poly Tech are old Chinese M14 trigger groups that are as good as USGI, but much less expensive.

I like your idea - keep us posted.

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Old August 18th, 2011, 01:45 AM   #70
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After 3 weeks snailmail the triggershoes just cleared customs and fits great. I`m eager for the next day on the range.
Thank you, aquarius.
Wolf

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Old August 18th, 2011, 04:43 AM   #71
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After 3 weeks snailmail the triggershoes just cleared customs and fits great. I`m eager for the next day on the range.
Thank you, aquarius.
Wolf
I'm happy they made the long journey and look forward to your range report.

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Old September 17th, 2011, 08:45 AM   #72
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Waterman, I tried it today. Its a perceived reduction of about 2 pounds.
Great job to design this trigger shoe.
Thanx again
Wolf

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Old September 17th, 2011, 11:08 AM   #73
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Question

Quote:
Originally Posted by bigbang View Post
Waterman, I tried it today. Its a perceived reduction of about 2 pounds.
Great job to design this trigger shoe.
Thanx again
Wolf
Can you post any pictures?

Thank you.

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Old September 17th, 2011, 08:15 PM   #74
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Art7,

I'm totally interested in one of these trigger assemblies!

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Old September 18th, 2011, 12:19 AM   #75
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Can you post any pictures?

Thank you.
Here it goes
Wolf
Attached Images
File Type: jpg DSC_0019.jpg (18.8 KB, 26 views)
File Type: jpg DSC_0020.jpg (23.2 KB, 22 views)

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