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Old 01-12-2022, 04:53 PM
9245 9245 is offline
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Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch?  
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Default Why no 20 inch?

Iím interested in the M&P 10 but I am NOT interested in a 16 or 18 inch barrel, to me that makes no sense in .308 or 6.5 creedmoor, those are full power cartridges and should have full barrels or else whatís the point? If I wanted a carbine for close/medium range Iíd stick to 5.56, itís better suited for the job. But I am looking for a semi auto precision rifle, there is no need for the velocity drop from a carbine barrel, nor would I use a full powered cartridge for close range work as the extra flash and blast, extra recoil, and reduced magazine capacity would not be worth it over 5.56, so I have no idea why I can only find the M&P 10 in carbine length barrels, itís like tits on a bull, why?

Iím aware of the performance center version in 6.5 creedmoor, but Iím not ready to spend an extra $800 just for 2 inches of barrel. Why is the non performance center version not offered in 20 inch? Or even better 22, 24, or 26 inch? And why no 6.5 Creedmoor except in the performance center version?

It doesnít make sense.
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Old 01-14-2022, 02:49 PM
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sgtsandman sgtsandman is offline
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Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch?  
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That's something you'd have to ask S&W about directly. My guess, is that since it is possible to hit targets out to 750ish yards out of the box that S&W thinks it's good enough. Max effective range for .308 when taking game is about 800 yards anyway. 2 more inches of barrel might give you 1,000 yards but even then the limits of the round's capability is being met or exceeded. Punching paper or hitting a steel target is a bit of a different animal since round lethality isn't a concern.
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Old 01-14-2022, 02:54 PM
ken158 ken158 is offline
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The barrel length for a 308 on an AR is well accepted to be optimized at 18”
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Old 01-14-2022, 02:57 PM
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Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch?  
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Quote:
Originally Posted by ken158 View Post
The barrel length for a 308 on an AR is well accepted to be optimized at 18Ē
I think you may be right from research I had done in the past but it has, admittedly, been a number of years since I did the research.

I'm also trying to get a feel for where the OP is coming from. If he is looking at long range precision shooting, it may be influencing his question.
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Old 01-15-2022, 04:55 AM
9245 9245 is offline
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Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch? Why no 20 inch?  
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Quote:
Originally Posted by sgtsandman View Post
I think you may be right from research I had done in the past but it has, admittedly, been a number of years since I did the research.

I'm also trying to get a feel for where the OP is coming from. If he is looking at long range precision shooting, it may be influencing his question.
This, longer barrel gives more velocity, which is better for long range shooting, my goal is a 1,000 yard capable rifle.
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