I have an lr-308 AP4 after contiued shooting the trigger & hammer pins start to walk out i have to be on top of it to make sure they dont come out. i tried blue locktite helps alittle but not perfect. Anyone know of relacement pins i can buy that will fit snuggly and not come loose unless i bang them out? thanks

If the pins are the same diameter as standard AR hammer and trigger pins - and I think they are, check out KNS anti-rotation pins:

 

http://www.brownells.com/rifle-parts/receiver-amp-action-parts/receiver-hardware/receiver-pins/ar-15-m16-non-rotating-pin-set-prod13801.aspx

 

Also, check to make sure that your lower is built correctly and the pins are intact. If the pins are cracked they can walk out one side, and if the springs hammer and trigger springs are not installed correctly, they won't hold the pins in as they are supposed to.

If the pins are the same diameter as standard AR hammer and trigger pins - and I think they are, check out KNS anti-rotation pins:

 

http://www.brownells.com/rifle-parts/receiver-amp-action-parts/receiver-hardware/receiver-pins/ar-15-m16-non-rotating-pin-set-prod13801.aspx

 

Also, check to make sure that your lower is built correctly and the pins are intact. If the pins are cracked they can walk out one side, and if the springs hammer and trigger springs are not installed correctly, they won't hold the pins in as they are supposed to.

 

 

As H-E said just double check components and assembly.  Although I am not a big fan of DPMS in general, I do have a LR-308 lower but I replaced the trigger assembly with a LMT 2-stage and I have no isssues with it. 

 

I probably still have the org. LR-308 trigger group somewhere and if you want it you are more than welcome to it. 

 

I would use the KNS pins as a last ditch effort.

As H-E said just double check components and assembly.  Although I am not a big fan of DPMS in general, I do have a LR-308 lower but I replaced the trigger assembly with a LMT 2-stage and I have no isssues with it. 

 

I probably still have the org. LR-308 trigger group somewhere and if you want it you are more than welcome to it. 

 

I would use the KNS pins as a last ditch effort.

 

 

If the pins are the same diameter as standard AR hammer and trigger pins - and I think they are, check out KNS anti-rotation pins:

 

http://www.brownells.com/rifle-parts/receiver-amp-action-parts/receiver-hardware/receiver-pins/ar-15-m16-non-rotating-pin-set-prod13801.aspx

 

Also, check to make sure that your lower is built correctly and the pins are intact. If the pins are cracked they can walk out one side, and if the springs hammer and trigger springs are not installed correctly, they won't hold the pins in as they are supposed to.

 

thanks guys

 

If the pins are the same diameter as standard AR hammer and trigger pins - and I think they are, check out KNS anti-rotation pins:

 

 

 

Is the receiver the same width? Does he have to check length as well?

I am almost 100% sure that the width is the same on .308 and .556 lower receivers at the trigger assembly. But good thinking - it can't hurt to verify and the .308 receivers I am familiar with were not DPMS.

As H-E said just double check components and assembly.  Although I am not a big fan of DPMS in general, I do have a LR-308 lower but I replaced the trigger assembly with a LMT 2-stage and I have no isssues with it. 

 

I probably still have the org. LR-308 trigger group somewhere and if you want it you are more than welcome to it. 

 

I would use the KNS pins as a last ditch effort.

tip my hat to you for the offer...you are good sport sir