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1/25/2018 7:38:29 AM
Posted: 8/4/2003 10:14:29 AM EST
I was curious how some of the bigger name barrels compare to one another quality wise... Colt, Bushmaster, RRA (DPMS?) and others...
I have a 16" colt on a colt M4 upper, and I am thinking of getting a second upper with a M4 14.5" barrel... I saw a nice sounding RRA M4 barrel on the equipment exchange, and was wondering how it stacks up quality wise... The Colt barrels are getting a little too expensive for my wallet....

Link Posted: 8/7/2003 8:15:15 AM EST
Link Posted: 8/7/2003 8:33:10 AM EST
Well Dave, I'll try, since you lowered your standards to "anyone." I believe that most of the parts suppliers like RRA, DPMS, the kit companies, as well as Bushmaster, Armalite etc. all use Wilson barrels. I think that only OlyArms and Colt actually make their own. The only big feature difference is whether they come chrome-lined or not. I believe Bushy and Colts are chromed, the rest aren't except by special order (tho I think RRA makes a M4 that's chromed.) One might find Q/A checks could differ from one supplier to another and catch a quality problem here or there. but I don't read many complaints about barrels around here. Except for high-end target barrels, there's prolly not much difference between 'em, again, mostly because they come from one source. [Maybe some hot-head with an axe to grind will flame me on this and you'll get the [b]REAL[/b] answer!] C_M
Link Posted: 8/7/2003 8:45:20 AM EST
A friend of mine Grant, built an SPR with a RRA stainless bbl. That thing shoots great. I'm sure you could spend more, but do you need to?
Link Posted: 8/7/2003 9:31:38 AM EST
Colt and Bushmaster use 4150 steel which is mil-spec. All others are 4140 steel.
Link Posted: 8/7/2003 9:51:52 AM EST
Link Posted: 8/8/2003 4:54:35 AM EST
[Last Edit: 8/8/2003 4:57:20 AM EST by Rockhound]
Maybe someone could explain the difference, in relationship to bbl life and accuracy, in 4150 and 4140 steel? Nevermind, I just saw this in a diff post here. Difference it % carbon in bbl and does not make much if any difference in bbl quality, or so I read on the internet.....
Link Posted: 8/8/2003 5:11:48 AM EST
[Last Edit: 8/8/2003 5:12:22 AM EST by DvlDog]
CMMG sells a DPMS 14.5" chrome bore and chamber M4 barrel made of 4150 steel. price i think was $225
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