My stevens 45-100 will not set off large rifle primer everytime, sometimes it go off and other times it takes two before it pops. 
This gun has been back to Paul 3 times in the last 4 months with this problem and they say "there's no problem see the primers that I sent back to you".  I guess that I'll have to change the primers to large pistol, I know they go off okay.  I have three firing pins that all mesure,look the same so I can't figure that is the problem.  When it does hit the primer the first time and it doesn't go off there is a very small hit on the rifle primer, but the second time it go off every time.   
With the 40-65 barrel on with pistol primers I have zero problems.

That is the great way to find out if you have a flinch,LOL

any ideas other than just go with the pistol primers?

van

You will find a set screw near the set triggers. Tighten that screw and you will increase the hammer impact. Worked for me.

dick

Van;
        I've shot CPA Stevens for a few years--they will not reliability ignite large rifle primers--I suggest you use large pistol primers.   leadball

Quote:


I am saddened by your conclusions and somewhat surprised by your candor and seeming acceptance. This would appear to be a correctible fault; at any rate it is certainly some kind of fault, at least in my mind it is.
Good luck, Joe

as I mentioned over on bpcr.net I use Fed 210M's and CCI BR-2's in our CPA's, a 45-100 a 45-70 and a 38-55 (all separate guns) we have not had any issues

on the other site where you also posted this question , I forgot to add, what brand of brass are you using and is it brass you bought yourself? have the primer pockets been deepened ? are you sure you that the primers are actually seating ?

I have a bunch of cpa rifles and seen a significant amount around the country and none of the folks I know are having any issues such as this

there seems to be another variable that is being overlooked, 

dc
           

I plan on taking the 40 barrel off today and install the 100 and try popping primers only and adjusting the rear set screw until it works.
I have Starline brass if that makes any difference.
thanks again for your ideas.

van

you know CPA installed a light weight hammer and that's when all the problems began.  thanks
van

Now that I shoot pistol primers in the Schuetzen CPA with speed hammer would never go back to the hard magnums.  Magnum primers were the rage some years ago, most people thought they gave a more complete burn with Black powder,  Today the opinion generally is toward pistol primers in 32 and 38's  If you have a 40 or 45 perhaps the standard hammer is a better choice.

Boats