Quote:
Originally Posted by Legbreaker
Any chance we can get one of our gunsmiths to chime in on this. It's all well and good to hear what the user has to say about it, but often the user is really only able to relate the technical details they were taught rather than give a good, solid opinon of the mechanism based on actually working on them and dealing with the problems.
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Actually I am a Gunsmith. Graduated from Trinidad State. I just don't work as one.
Do you know what the difference is between a cheese pizza and a Gunsmith?
A cheese pizza can feed a family of four.
I have never worked on a piston driven AR. But the carbon has to go someplace. That is on the head of the piston and the gas block were gases are tapped from the barrel.
In this case I think you may see the problems a Garand or M-14 would have.
Good ammo and cleaning your not going to have any trouble.
Some copper solvent as you may find copper obstructing the gas ports (takes thousands or rounds) but, you need a bore scope to see it to to remove the gas block.
Copper on the piston head creating greater OD and drag.
One advantage is the weight of the piston rod operating in conjunction with the force of the propellant gasses versus just the propellant gases working on the BCG.
Two ends to the same means, you still have to clean them.
Actually I have seen more M4s and M16s when I was in from the methods meant to clean them.
Cleaning from the muzzle with the steel cleaning rods being one of the worst methods. Second being polishing off all the parkerizing off the internals.