AR Sponsor
Posted: 1/20/2007 9:25:07 AM EDT
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Hi all, I found the plans online to do the "15 minute trigger job" and was a little unsure about where to cut the spring. Does anybody have pictures of their completed trigger job so I can actually see what the end product is supposed to look like? Thanks! |
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where you clip the leg to 1/4" long, do you measure from the lenth of when it straitens out after the loop? I don't have any of my triggers pulled out so I can't eyeball it up. Plus I don't have any polishing compound to use so I probably won't do it this weekend. Sucks trying to shoot 200 yards with a trigger that's like 9lbs of pull LOL 
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Doesnt really matter - I just eyeball it.... dont worry too much. Also - I didnt always do the polishing anyway. The biggest difference made in the 15 minute job is the hammer spring. Understand - this will lighten your hammer's punch and light strikes can happen on surplus/military ammo. |
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I did mine today. I went an extra step and stoned the engagement surfaces. It was gritty and 7.5lbs before. Smooth and 2.5lbs afterwards. Didn't work though. Light hammer strikes. DUHHHHH, hammer spring installed backwards. Now it's very smooth and 4.5lb. Didn't catch the problem until I got back from the range though so I'll have to go back out tomorrow to see how it functions. Makes a world of difference. Not as nice as some of my FAL triggers but still huge improvement. Brett |
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be very careful about stoning or filing stock trigger parts. The hardening is usually very shallow and easy to cut through. If you expose the softer metal inside then it will wear faster and can easily become unsafe. The best option really is to just save a little and buy something like the RRA 2-stage for $100. |
www.ar15.com/forums/topic.html?b=7&f=125&t=283091 |
Yep, I f'd up an Armalite trigger doing this Nearly pissed myself when my AR10T went full auto |
FWIW, the purpose of stoning is NOT to remove material. It is to polish engagement surfaces. 
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I know that now  Dremel tool on high speed with polishing compound can take ana mazing amount of metal off quickly |
I put an LMT 2 Stage in my M4gery. I really like it. It is easy to do yourself, and there is a thread here on the site with directions and pictures if you have never done it before. Jay |
O rly? |
YA RLY!!1! I don't suppose your a Farker (aka Fark.com fan)? Yo man, remember my issue with the guy who wanted his Upper back after 2 months, well guess what? The mod's told me to undo the trade after almost 2 1/2 months and I think he fucked up the barrel. Yeah isn't that messed up... Pissed me off, he can kiss my ass tho... I'd love to get a 2 Stage trigger on my sniper rifle:  But I think it would be really stupid to put a 2-Stage trigger on my M4. Although, I really am torn between a Single-stage trigger or a 2 stager. I really like little to almost no trigger pull length. I bought this Savage .17HMR rifle with their Accu-Trigger and I tell you what, it's a match trigger all on it's own. If I could find one adjustable to like 2-3lbs or less, with little trigger pull length I'd buy it, but not sure who makes one like that... Chief
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About $74.00 from Brownells with the trade discount. the 10% off shot show coupon makes it an even better deal. |
| I just installed a new spring kit form brownells for around 7 bucks. It brought the trigger down to 4 or so pounds and I did not have to guess at anything with installing it. I can also convert back later if the kit gives light strikes. For an on the cheap trigger job, I would recommend the spring kit. |
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MasterChief M4, First off, I have to say, I do like the 15minute trigger job. I've tried it before with very good results, but I have been using an easier method and so far hasnt failed me yet, and I really never expect it to. I'll also list the other tips for lightening and improving the trigger pulls on AR's I've learned. Heres what I do to all my AR type rifles now. If the trigger is gritty feeling, then polishing is in order. Dremmel with red rouge polishing compound and felt bob bits on low to medium speed all sear and hammer contact surfaces till they're smooth as glass. Dont use stones! Its very easy to wreck the sear engagement angles as well as the surface hardness. Dont ask how I knowh If the trigger is smooth but heavy(sometimes this happens), just drop one leg of the hammer spring below the trigger pin. This is similar in effect to the 15 min trigger job, and you're not modifying ANY parts. Lightens up the trigger immensely, and combined with polishing the engagement surfaces will truly suprise you. Over 8k rounds and not one failure to pop a primer. For those of you that HAVE to actually modify something, you can also put a small bend at the very end of the dropped spring leg, like the last 1/4-1/8 inch, that rests on the bottom of the fire control well, just so the point of the spring doesnt dig into the reciever. Minor touch but an easy thing to save scratches inside the reciever. Trigger travel (creep) is another dilemma I have (HAD) on my varmint setup, and here's my fix. I first did all of the above polish work as well as dropping one leg of the hammer spring. Trigger was now light like I wanted, but the takeup (creep) was huge. So, I removed my pistol grip screw, and went to the hardware store. I showed the guy behind the counter what I had, and told him what I needed, and bought matching capscrews with a small allen head setscrew down the center. They're only a couple of bucks. I then install this in the pistol grip and adjust the allen head setscrew till the trigger travel met my requirements. The setscrew in the pistol grip screw applies pressure to the rear of the trigger and lowering and limiting the engagement of the sear to the hammer, in effect reducing the trigger pull to almost nothing. Once set, I removed the fire control group again, and put a dab of loctite on the setscrew threads(precautionary so it doesnt move again once set) and re installed. I now have a trigger that breaks at just about 4 lbs without any spring mods, and absolutely no takeup on the trigger due to the pistol grip setscrew mod. Its easy, give em a try, and within a couple of hours you should be quite happy with the results. Hope this helps! |
I like the combination of the LMT trigger and the ACOG TA31F. It is a sweet shooter. It can do anything a bone stock M4 can (except the giggle switch), and it can shoot the fleas off of a dog. Jay |
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