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9/19/2017 7:27:10 PM
Posted: 7/3/2003 3:11:34 PM EDT
Ran across a great deal on a 1 in 12 twist A1 profile 20in barrel. Planning to put it on a Bushy A2 upper. I really like the light weight. Any positive or negative comments on this idea?
Link Posted: 7/3/2003 3:37:40 PM EDT
You'll love the A1 profile, it makes the AR what it was supposed to be... light and fast. I've had all my HBAR's turned down to a LW/A1 profile by Kurt at KKF...
Link Posted: 7/3/2003 3:45:56 PM EDT
My favorite choice for a barrel.
Link Posted: 7/3/2003 4:40:39 PM EDT
[Last Edit: 7/3/2003 4:43:39 PM EDT by RiffRandall]
Stick to 55grn & lighter bullets & you're good to go. My AR project is going to wear one of these barrels also. A A1 profile barrel with 1 in 9 or 1 in 7 rifling might be better if you plan on ever shooting heavier bullets. But in order to get one you pretty much have to turn down a HBAR. A1 barrel on a A2 upper?[>:/] To each his own, just doesn't seem right to me, but I like the A1 upper better (lighter weight, more fiddle proof). I also like the old school triangle handguards, A1 lenghth stock & grip, 20rnd mags....[8P]
Link Posted: 7/3/2003 5:01:52 PM EDT
My SHTF rifle wears a 20" 1/12 SP1 barrel mounted to an A2 upper (Colt Sporter). It feels as light as and quick handling as an M4 carbine w/optics.
Link Posted: 7/3/2003 5:03:51 PM EDT
I just had the A2 upper in my parts box, so it was an inexpensive way to go. I ordered a MEGA lower for this to also keep the price down.
Link Posted: 7/5/2003 7:30:39 AM EDT
Colt did make a batch of A1 profile barrels with a 1 in 9 twist a few years back. If you're bound and determined to use the heavier bullets you might keep an eye out for one. Otherwise, the 1 in 12 original does just fine. Have two of 'em and don't feel at all handicapped[:D]
Link Posted: 7/5/2003 7:35:59 AM EDT
Thanks for this post, good info. This is the next project that I am planning. I see that Fulton Armory offers a Medium weight 1x12 in addition to standard profile A1 barrel. No meaning to hijack thread, but has anyone seen/tried one of them. Got a spare barrel you would lkke to part with reasonably? Thanks... MM419
Link Posted: 7/6/2003 3:57:18 AM EDT
If your looking I have a light barreled upper. Slabside small hole receiver with a Bushmaster 1/9 twist A2 contour barrel that's been turned to A1 profile and refinished. It's also got a fake threeprong attached and the lugs been removed to be postban legal. Straight delta ring and triangular handguards. Great for an early M16 copy but with a better twist rate. It's for sale cheap, $275 complete and shipped. Give me an Email if anyones interested
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