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My old man isn't happy with the accuracy of the factory upper 16"barrel. Any suggestions for uppers and calibers? I'd assume a longer barrel, 20-22" would work but I'm not sure how to make it stable enough for a long heavy barrel...
 

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What ammo is being used and what level of accuracy? Don't expect much for the accuracy of steel cased FMJ military-surplus clones, or if using open sights.
 

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Also I have found most 16" barrels with the cut for the M-203 are not that accurate. I have and friends have 16"ers that shoot quite well when they don't have that cut. I think that cut allows the end of the barrel to whip around too much...


Steven
 

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I trust this would be accurate enough for your needs. Bushmaster Varminter 24" barrel, with my hand loads. 268 yards lasered. My S-I-L was the shooter.

FWIW...these Nosler 50 grain BT's are awesome. I have a friend that shot some my hand loads, same bullets in his 22-250. Best he did before was about 1 1/2". These went into one hole.

 

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You could also just go with a barrel swap and sell yours. It would required going to rifle length gas tubes anad handguards, but you'd probably get out cheaper than a full upper.

FWIW I have a 20" Colt Competition HBar Match and a 24" Rock River heavy barrel that shoots like Indie's there. My 16" will too, but accuracy falls off fast past 300 yards. I am guessing it is a velocity thing.

As far as calibers, there are lots of choices for the AR now. .204, .20 Practical, etc, etc, etc. I have several alernate calibers for larger game but all my varmint/ small game guns are 5.56 or .223. Just makes it a lot easier to find components.
 

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For accuracy it takes three things..

good ammo

good barrel

good shooter

There are obviously other factors, but if you don't have those three you're not gonna shoot small
 

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Don't forget the largest of natural variables

WIND............a physical force that plays a role as soon as the barrel is cleared, no matter the caliber.
 

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For very accurate uppers, take a look at what White Oak Armament offers.

http://www.whiteoakarmament.com/xcart/home.php?cat=261

Be prepared to pay the price and have a lot of patience waiting for it to arrive but you will be pleased when it arrives.
+1 for WOA uppers. I shoot one in Service rifle and they build some of the best. Compass Lake Engineering is another good upper to consider.
 
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