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Short-Barreled AR15 are the Rage these days
Am Shooting Journal ^ | 3/15/2017 | J Hines

Posted on 03/15/2017 11:01:21 AM PDT by w1n1

This AR-15 with a two-inch barrel takes it to another level and is just insane.

AR-15 style rifles sporting shorter length barrels are high in demand these days. But how short is just too short on a registered short barreled rifle (SBR)?

Well, try this one. Yes, that barrel is actually only two inches long. When firing the 5.56x45mm/.223 caliber cartridges, the tips of the bullets protrude out of the barrel. This can be witnessed in the video before each shot is taken.

Is a 2″ barrel a good idea on an AR-15 rifle? Maybe not, but it does still shoot. Would you take a chance and shoot this ultra short-barreled AR-15? See the SBR AR15 footage here.


TOPICS: Hobbies; Outdoors
KEYWORDS: ar15; banglist; shortbarrel
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Wasn’t the original round designed around a 20 inch barrel for optimal ballistic performance?

I don’t recall the propellant, but that was changed also which was found to be the culprit in the frequent jams due to fouling.


41 posted on 03/15/2017 3:30:08 PM PDT by Clutch Martin (Hot sauce aside, every culture has its pancake, just as every culture has its noodle.)
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To: Clutch Martin

Winchester ball powder. The AR15 was designed for Remington improved military rifle powder.


42 posted on 03/15/2017 4:04:37 PM PDT by HenpeckedCon
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To: w1n1

Why am I hearing what appears to be a automatic weapon fired in the background?


43 posted on 03/15/2017 4:13:24 PM PDT by Renkluaf
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To: Bloody Sam Roberts

I tried. Thanks.


44 posted on 03/15/2017 4:34:45 PM PDT by upchuck (U have not lived today until u have done something for someone who can never repay u ~ John Bunyan)
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To: Renkluaf

“Why am I hearing what appears to be a automatic weapon fired in the background?”

Looks to be a very long lineup of tables in the background, probably some kind of “shoot” going on in a State where they’re not afraid of full-auto weapons.


45 posted on 03/15/2017 4:53:02 PM PDT by PLMerite
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To: carriage_hill

A whole lotta praying there.


46 posted on 03/15/2017 7:58:31 PM PDT by Redcitizen
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To: Bloody Sam Roberts

FN?


47 posted on 03/16/2017 12:54:13 AM PDT by gundog (Hail to the Chief, bitches.)
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To: gundog

Yes....thanks for the correction. Dunno why I was thinking HK.


48 posted on 03/16/2017 5:43:56 AM PDT by Bloody Sam Roberts (Good judgement comes from experience. And experience? Well, that comes from poor judgement.)
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To: doorgunner69

I use my mosin to start the campfire. Much cheaper.

CC


49 posted on 03/16/2017 7:24:32 PM PDT by Celtic Conservative (CC: purveyor of cryptic, snarky posts since December, 2000..)
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To: HenpeckedCon

So... previous to the 5.56 NATO was the bullet 55 grains or 61, or 63?


50 posted on 03/17/2017 4:46:40 AM PDT by Clutch Martin (Hot sauce aside, every culture has its pancake, just as every culture has its noodle.)
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To: Clutch Martin

I’m not sure. The military wanted the ball powder because it packs more of a punch.


51 posted on 03/17/2017 6:21:02 AM PDT by HenpeckedCon
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To: HenpeckedCon

The military wanted the ball powder because it packs more of a punch.


I believe velocities were the same. The Military had lots of the ball powder available, and it meters very easily and accurately. The IMR powders, which were specified by Eugene Stoner, the inventor, are stick powders (rods about 7 times as long as they are wide) that are a bid more trouble to meter.

To make the ball powders, they have calcium in them to aid in the manufacture. The calcium would collect in the M-16 gas tube and eventually block it, causing jams.


52 posted on 03/18/2017 9:41:59 AM PDT by marktwain (President Trump and his supporters are the Resistance. His opponents are the Reactionaries.)
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To: marktwain

That figures. I should have known the army had a stupid reason like not issuing troops repeating rifles during the war between the states because it was a waste of ammo.


53 posted on 03/18/2017 1:35:24 PM PDT by HenpeckedCon
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