bushmaster m4 patrolmans barrel vs. 16"heavy fluted barrel


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cwc5
December 16, 2009, 02:13 AM
Any advice on if this would be a good idea to upgrade to this fluted barrel ? I think I can get them to trade me and only pay 65.00 including shipping. I have just never seen their fluted barrel

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atblis
December 16, 2009, 02:23 AM
How's the gun shoot now? If it is accurate and reliable, I wouldn't change a thing.

RockyMtnTactical
December 16, 2009, 05:28 AM
What primary purpose will this gun serve? I would prefer a lighter barrel...

Coronach
December 16, 2009, 11:17 AM
What RMT said; what's the use? If your purpose is laying very still and making lots of little tiny groups in distant pieces of paper and/or animals, get the HB. However, if this is a multi-use fighting carbine, go with the lighter barrel.

Mike

Z-Michigan
December 16, 2009, 12:05 PM
What Coronach said.

cwc5
December 16, 2009, 06:07 PM
Thank you all for your time. I guess my main reason would be to have a more accurate rifle. True, I dont shoot over 500 yards, and im not really sure if I would benefit from the fluted heavy barrel. Im not even sure of the weight difference. I guess i need to do more homework. Bushmaster will do the barrel change with a 18 day turnaround for 50.00 plus 16.00 shipping, if that changes any minds. Thanks again, Chris

cwc5
December 16, 2009, 09:05 PM
I stated that I rarely shoot over 500 yds, i meant 300

Z-Michigan
December 17, 2009, 12:04 AM
It would probably add around 1 pound or so. Your biggest accuracy improvement would probably be from a free-float forend, not changing the barrel, although the heavier barrel will probably provide some benefit. Really it depends on your use - if you sit at a bench and shoot paper or varmints, it may be a good swap. If you have much plan to carry the rifle or use it in any kind of action shooting (3-gun, ACTS, etc.) then the lighter barrel is probably better.

matrem
December 17, 2009, 08:06 PM
The Two ARs that I shoot most are a 16" M4gery stamped B/MP 1/9 (same bbl as you're referring to) and a 20" stainless fluted heavy bbl. The heavy bbl is more accurate with all common loads that I've tried.That advantage, however, might equal 1 1/2" at 200 yards. (5 shot group)
After the "newness" of the hvy bbl wore off,I seldom even use it on a 300yd max ground hog field. There is a LOT to be said for lighter weight.

Shadow Man
December 17, 2009, 08:52 PM
For target shooting, a heavy barrel can be a plus. It takes far longer for them to heat up, so your groups will remain tighter. However, once they heat up they take a long time to cool back down.

For 3-gun style competition, a lighter barrel is what you need. Not only does it greatly reduce weight, but the minor reduction in accuracy from a hot barrel is going to be nearly unnoticable in a fast-paced competition.

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