[WNC Seabee]

I have a couple AR receivers laying around that I'd like to build out. I've got a notion to build one as a dedicated target rifle - longish heavy barrel, fancy stock, etc.

• What caliber would you focus on for a build like this? And what specific barrel?
• I reload; commercial ammo availability isn't an issue so long as components are around.
• Or....should I try trading receivers to an AR-10 platform and build something a little heavier?
• I already have a "precision" bolt gun in .308

 

[Zbizzle911]

6.5 Grendel


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[mckenziedrums]

What distance? There are some hot shot 6mm calibers that are excellent choices. A 95-100gr 6mm bullet is a great option for most distances unless you have to reach out really far.

 

[Slacker]

Get one of those single shot 50bmg uppers that uses a regular AR lower.

Always wondered why folks have not made those in other LA calibers like 338 Lapua or 300 WIN mag.

 

[JamesLFlowers]

6mm Fat Rat, maybe.

Always wondered why folks have not made those in other LA calibers like 338 Lapua or 300 WIN mag.

They make full size ARs in those calibers.

 

[mckenziedrums]

6mm Fat Rat, maybe.

That's one of the hot shot 6's I was referring to. I know you shoot some comps, seeing many of them? Berger has such a high demand for 6mm bullets these days I can't even get jackets to make my own.

 

[JamesLFlowers]

That's one of the hot shot 6's I was referring to. I know you shoot some comps, seeing many of them? Berger has such a high demand for 6mm bullets these days I can't even get jackets to make my own.

No. I know someone looking at one, but no one using one. I see a few people shooting 6mm bolt guns.

 

[Red Cent]

6.5×47 Lapua. Barrel change. 308 bolt and mags. Better than the 6.5 Creedmoor. Not counting the cost of the brass .

 

[5string]

Another vote for the 6.5 Grendel.

 

[dubnali]

Another vote for the 6.5 Grendel.

Me too

 

[billyh]

I've got a 6x41 wild cat. It's a 6.8 necked down to 6mm. Still haven't shot it yet but it seems to be the cat's meow. I secon drums and would go with a 6mm.

 

[Errorhead]

6.5 Grendel

 

[J.Boyette]

I think all of these are fun calibers.

I would build a A4 National Match rifle to shoot service rifle with.

Personally every gun I own serves a need, a NM rifle would allow you to shoot high power and service rifle, the training from these matches will roll over to 3-gun, long range and other rifle sports.

 

[backwoodsshooter]

6mm Predator

or

6.5 Predator

 

[dh2]

https://www.midwayusa.com/product/7...ar-15-65-grendel-grendel-ii-chamber-medium-contour-1-in-8-twist-stainless-steel
Here is where I started