
Originally Posted by
dylank0723
Hey. I've got a colt 6920. No problems whatsoever. But I've been reading about the piston ARs and the benefits. Just wanted to get some opinions about converting it to a piston system. Thinking about the CMMG kit from Brownell's. Thanks everyone!!
It's kinda like trying to put a junkyard LS2 into a brand new M3... sure you can do it, and it'll probably work if you spend enough money on it, but you're taking something hat's been engineered to work really well, and shoe-horning a system that is actually less sophisticated and has some of its own problems onto there.
On a 6920, absolutely don't bother. Spend money on a good sling, good weaponlight, good magazines, and a case or two of ammo; then start seeking the most skilled trainers you can to get to and start making the software improvements (and give yourself the opportunity to validate the configuration you have in mind for the rifle as a tool). If you wind up looking at a suppressed short-barreled setup, then it would be worth including a gas piston complete upper into the equation, but I'd still argue that an adjustable gas block and VLTOR/BCM A5 lower setup will still give you a wider operation range suppressed/unsuppressed with a variety of ammo (not to mention smoother shooting).
عندما تصبح الأسلحة محظورة, قد يملكون حظرون عندهم فقط
کله چی سلاح منع شوی دی، یوازي غلوونکۍ یی به درلود
Semper Fi
"Being able to do the basics, on demand, takes practice. " - Sinister
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