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Author Topic: Black rifle question.  (Read 1717 times)

Offline JimP

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Black rifle question.
« on: December 08, 2008, 09:39:33 AM »
I carried an M-16 (both A1, and A2) while in the Army, so that I am familiar with the platform, but I am not a real fan of the .223/5.56 cartridge..... anybody here have an AR in something like 6.8 SPC?  Tell me about it, please...... Cost? Peformance?  Bullet selection/availability?
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Offline Randy

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6.8x43mm SPC
« Reply #1 on: December 09, 2008, 08:13:53 PM »
Do not own one but sure would like one.

The 6.8x43mm SPC was designed for the M16 rifle/M4 Carbine switch out the 5.56mm upper receiver and replace it with the 6.8x43mm SPC upper along with the bolt and a few more parts. The 6.8x43mm round weighs 115gr. and has a velocity of 2750 to 2850 fps.
It accomplishes this with a new type of powder. Bullet weight is in 85 gr. up to 115 gr. with 115gr being the standard.

The price for a AR-15 in 6.8SPC is slightly higher than a .223/5.56 one can be bought for $1000.00 to $1400.00.
Ammunition is about the same price as .223 but harder to locate and going for $22.00 to $25.00 per 20 rounds.
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Offline Rich B

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Re: Black rifle question.
« Reply #2 on: December 09, 2008, 08:48:41 PM »
I'd also consider the 6.5 Grendel.  The 6.5 has the edge over the 6.8 in terms of long-range (300+ yards) accuracy.

The 6.8 is supposedly good on two-legged critters and deer-sized game.
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Offline JimP

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Re: Black rifle question.
« Reply #3 on: December 09, 2008, 09:32:47 PM »
6.8 mm ...... is that a .277 bullet?  And what bullet diameter is the Grendel?

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The Right to Keep and BEAR Arms is enshrined explicitly in both our State and Federal Constitutions, yet most of us are afraid to actually excercise that Right, for very good reason: there is a good chance of being arrested........ and  THAT is a damned shame.  III.

Offline Randy

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Re: Black rifle question.
« Reply #4 on: December 10, 2008, 01:49:04 PM »
The parent case is .30 Remington, shortened to fit the AR15 magazine.

 DIA: .277"
 

The 6.5 Grendel (6.5mm)/.26 Grendel bullet
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Offline JimP

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Re: Black rifle question.
« Reply #5 on: December 10, 2008, 09:54:24 PM »
I already have a .270 Win, so in the interest of keeping logistics simple........ 110gr bullets would work, No?
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The Right to Keep and BEAR Arms is enshrined explicitly in both our State and Federal Constitutions, yet most of us are afraid to actually excercise that Right, for very good reason: there is a good chance of being arrested........ and  THAT is a damned shame.  III.
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