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Posted: 3/15/2006 4:31:51 PM EDT
I e-mailed Bushmaster a bought their 1/7 barrels and received this in response.

We manufacture the 20" A2 government barrels http://www.bushmaster.com/shopping/barrel-assemblies/abbl-20a2.asp in 1 X 9 and 1 X 7 twist as well as the 14.5" M4 barrels available with permanently attached Izzy, Phantom or Phantom 2 suppressors to bring them up to 16" legal length. You must specify the 1 X 7 twist when ordering the barreled upper.
They are the only barrels we offer with the 1 X 7 twist as an option at no additional charge.
Thank you,
Jim Eden, Tech Support
1-800-883-6229


+1 For fast response from Bushmaster!
Link Posted: 3/15/2006 4:39:32 PM EDT
some of the dealers in the EE/Industry board have bushy 1-7 bbls in stock...just a heads up

and +1 for bushmaster CS
Link Posted: 3/15/2006 4:50:27 PM EDT
Never had anything but good experiences with Bushmaster.

GM
Link Posted: 3/15/2006 6:53:11 PM EDT

Never had anything but good experiences with Bushmaster.

GM


+1 for Bushmaster....762
Link Posted: 3/16/2006 4:53:52 AM EDT
i love bushmaster bbls.


gds_enterprise offers most of their line.
Link Posted: 3/16/2006 5:20:59 AM EDT
[Last Edit: 3/16/2006 5:21:14 AM EDT by Lancelot]
Yup. I have a Bushmaster 20" government profile 1/7 in the safe. Not sure what I'm going to do with it yet.... but its on a CMT flat top upper.

Great barrel.
Link Posted: 3/16/2006 5:32:42 AM EDT
Bushmaster 1/7 is the way to go....
Link Posted: 3/16/2006 6:48:44 AM EDT
+1 to all of the above.

Bushmaster barrels are manufactured with a tighter gas port which, with lower pressure ammo, can occasionally jam but I prefer it because it leaves more surface area to stabilize the bullet which makes for greater accuracy. Plus with a smaller hole, less desbris can get through to crap up your reciever- hey.
Link Posted: 3/16/2006 7:00:38 AM EDT

Originally Posted By ironsight-boy:
+1 to all of the above.

Bushmaster barrels are manufactured with a tighter gas port which, with lower pressure ammo, can occasionally jam but I prefer it because it leaves more surface area to stabilize the bullet which makes for greater accuracy. Plus with a smaller hole, less desbris can get through to crap up your reciever- hey.




i've heard bushmaster is usually over gassed.
Link Posted: 3/16/2006 1:27:19 PM EDT
[Last Edit: 3/16/2006 5:39:19 PM EDT by CCW]
Cat. No. for Bushy M4gery 14.5 inch + izzy Twist 1 turn in 9 is BCWA(2 or 3)F 14M4 IZ.

Cat No. for Bushy M4gery 16 inch +A2 Twist 1 turn in 9 is BCWA(2 or 3)F 16M4.

What are the Cat. No.s for the same models except Twist 1 turn in 7?


Edit: These cat. no.s were taken from the catalog 2006 V.1. There may be later catalog listings, but they do not show up on their dealer lists that I have checked currently.
Link Posted: 3/16/2006 1:45:45 PM EDT

Originally Posted By ironsight-boy:
Bushmaster barrels are manufactured with a tighter gas port which, with lower pressure ammo, can occasionally jam .




None of my 5 Bushy barrels (from 14.5" to 20") has EVER had a problem with low pressure ammo. Of those that I have removed the FSB (3) the gas port diameter has always been within specs.
Link Posted: 3/16/2006 2:49:17 PM EDT

Originally Posted By eklikwhoa:

Originally Posted By ironsight-boy:
+1 to all of the above.

Bushmaster barrels are manufactured with a tighter gas port which, with lower pressure ammo, can occasionally jam but I prefer it because it leaves more surface area to stabilize the bullet which makes for greater accuracy. Plus with a smaller hole, less desbris can get through to crap up your reciever- hey.




i've heard bushmaster is usually over gassed.


I have mever had that problem with any of the 20+ Bushmaster barrels I have owned.
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