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Posted: 1/8/2008 9:25:46 PM EDT
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I just picked up a new Colt 9mm, I would like to get the bolt ramped and have a few questions. Who does this service best, with quick turn around? in the end i would rather wait and have a quality job is it necessary to change the rear bolt weight? once ramped should you switch to a heavier buffer / stiffer spring? and if so, how heavy? Will I have to switch out the 9mm hammer with a regular hamr once ramped? I appreciate any help or advice you guys can give me. |
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mgp is the best bang for the buck. great work with fast turnaround. he did 3 bolts for me. i gave him custom specifications (angle,depth etc) and he followed them to the letter. m60 joe does great work as well, but he is expensive. like i said, i couldnt be happier with the job mgp did on my 3 bolts. |
A 9mm hammer will not work with a ramped bolt a DPMS no-notch hammer is you best bet. Mike |
im more worried about wear and tear on the lowers pins,etc. From what i have gathered in these forums is the gun will be smoother by ramping and should last a lot longer. so it looks like if I ramp I will have to replace the hammer, no getting around it? |
In plain english Colt F*%$@# up. I cant believe that they let it out like the way it is there is no question they maybe a couple out there that will never have a problem but if you shoot a lot you WILL break hammer pins. Mike |
Wrong if you ramp you bolt a 9mm hammer will not work it will get hung up.You can ramp for the use of a standard hammer but it is best to use a DPMS no-notch hammer and ramp the bolt a little deeper with a different angle. Mike |
Okay - what am I missing here? I understand how a "standard" notched hammer will catch on an un-ramped 9mm bolt. I don't see where a hammer could catch on a ramped bolt. Either that, or what I thought a "9mm hammer" was was simply a rounded no-notch hammer. So what does a 9mm-only hammer look like? And how will it hang up on a ramped bolt? |
I found that last night. I still fail to see how that would not be compatible with a ramped bolt. Maybe I'm just missing something. |
With a ramped bolt the bolt gets hung up with a 9mm hammer just the same way it does with a standard notched hammer .Mike ETA: The notch in a 9mm hammer is lower than the notch in a standard ar15 hammer but it still gets hung up on a ramped bolt. |
| Ran into this kind of miss match problem recently. Went to put my Bushmaster carbon 15 9mm upper on my .223 lower with a JARD match trigger. Didn't get hung up but the disconnect wouldn't work. The ramp cut on the 9mm bolt was pretty long and deep enough that it wouldn't push the hammer down far enough to catch the disconnecter. Oddly, if I let go of the trigger and pulled the charging handle back the sear would still catch. Never shot it as I was afraid it would run away with itself. BTW, the JARD trigger has a notch cut out on the top. For what it's worth, I put a JP trigger and hammer in the lower and all was good to go. Ramped bolt and all. |
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