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Posted: 7/16/2008 11:44:32 AM EDT
i don't quite understand this...

bull barrels seem like a waste of money and materials... some of the most accurate AR's i've seen or shot have been SPR/Medcon profiles...

same goes for length... i've read a lot of chrono numbers for plenty of different brands/weights of ammo... and it seems like after 20"... you are adding length and not getting much more return on velocity...

are these fudd carry-overs into the AR world?
Link Posted: 7/22/2008 2:07:44 PM EDT
Bull barrels are highly accurate (if well built). Not a waste of money.... the way a bull barrel vibrates (or rather doesn't vibrate), allows for slightly better accuracy. Those who shoot nats-ass will usually get slightly better results from a bull. I use a 24" varmint/bull barrel to elicit sub 1/2 moa groups (1/4" on a good day) 10 shot groups at 100 yards. I've never seen a lightweight contour do that... may just be me. As far as velocity... I agree... the differences aren't exactly huge after 18" . However, my 16" is noticeably different compared to my 24" at REALLY long range.
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