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Old December 1st, 2013, 02:11 PM #1
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"Pencil" Profile AR Barrels

Any love for these? My mid gas tube 16" pencil free-floated AR is light and handy; at least 2 MOA and fun to shoot. I will admit that my M4 beefy barrel sure does look better. But I don't think it is any more accurate. I will know better as time goes on since I just got both of these this year.

I know my (back in the day) Army M16A1 was just fine with a 20" pencil barrel.
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Old December 1st, 2013, 02:39 PM #2
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I wanted to get a pencil barrel upper, nobody had any in stock so I ended up with an M4 profile barrel. However, I do have a 189 series Mini-14, so that's actually taken care of.
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Old December 1st, 2013, 03:14 PM #3
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Their just as accurate until the barrel heats up , then the barrel whip throws your groups off a little , it happens quicker with the thinner barrels , it's all good unless you plan on shooting a whole bunch of rounds at one sitting ..
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Old December 1st, 2013, 03:42 PM #4
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I love them. They swing better and transition from target to target faster than your average M4, while firing the same projectile at a higher velocity from a 20" barrel. There are trade offs with everything, but there will always be a place in my safe for a pencil barrel AR.
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Old December 1st, 2013, 03:53 PM #5
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I was just looking at building an upper with one of these. the 20" pencil barrel on my Dad's SP1 is remarkably light.

Course it doesn't help that my arms are twigs either
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Old December 1st, 2013, 03:56 PM #6
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I do not like them, have one on a lightweight build for the kids to use.
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Old December 1st, 2013, 04:03 PM #7
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I just ordered a BCM 16" pencil-barreled upper. I've got govt profile already. All about tradeoffs. Great for reducing arm fatigue. Not great for long-range precision. Uppers swap in 30 seconds to configure the rifle however desired, so nothing to sweat over.
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Old December 1st, 2013, 04:18 PM #8
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I LOVE my BCM lightweight upper. It is so light and easy to hold up. I go shooting withmy friend now and then and we always joke that you have to work out just to stay fit to carry his Colt 6920, because it feels like a ton compared to mine. OTOH, I do have the 14.5"...but still.

Definitely worth it for a lighter AR.
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Old December 1st, 2013, 05:12 PM #9
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Quote:
Originally Posted by Boom Boom View Post
Uppers swap in 30 seconds to configure the rifle however desired, so nothing to sweat over.
Good point! Just by buy another upper and cover all bases. I'm sure that's what I will be doing that over time.
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Old December 1st, 2013, 07:30 PM #10
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I prefer light weight barrels for a fighting rifle/SHTF build. Unless you are worried about 1 MOA after the barrel heats up, there is no point in going with a M4 profile. The M4 profile is no better at hitting man sized targets at 200+ yards. There's more upside to a pencil barrel than downside.
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