11-22-2013, 04:37 PM
If you are using a high-end trigger like a Geissele, you can't go wrong with those Colt lower parts, but I haven't seen any issues with pivot and take-down pins, for example.
To be honest, I have used the DPMS LPK- kits, where there are no fire control parts, then I add a Geissele, JP, or tuned RRA 2-stage.
You can add grease to the detents, but I would want a tested bolt catch if the gun is going to be used suppressed.
The thinking behind getting the Colt parts in lieu with the Lilja barrel makes sense, although you can get some of the DD or Stag LPK's for that same price. I don't know what QC Stag or DD goes through, but they seem to be regarded better than DPMS. Based on your stated uses, I doubt you'll ever notice the difference, as long as you install a good trigger.
To be honest, I have used the DPMS LPK- kits, where there are no fire control parts, then I add a Geissele, JP, or tuned RRA 2-stage.
You can add grease to the detents, but I would want a tested bolt catch if the gun is going to be used suppressed.
The thinking behind getting the Colt parts in lieu with the Lilja barrel makes sense, although you can get some of the DD or Stag LPK's for that same price. I don't know what QC Stag or DD goes through, but they seem to be regarded better than DPMS. Based on your stated uses, I doubt you'll ever notice the difference, as long as you install a good trigger.