Caliber choices.... XCR and AR options...

[Iamduck82]

Ok so here is my predicament..... I already have an AR in 223, I have 2 bolt actions in 308, and am starting reloading for both. I had always planned on building an AR in 300blk because I drank the koolaid. Not to mention reloading would be simple. Components are all there. Remington making a 700 in 300blk kind of made it all justifiable for a good NR light rifle.


But now rob arms makes the XCR in 300blk. This kind of wraps it all up into one nice tight little package. Here is the hitch.... 300blk is optimized for a 9-16" barrel. The XCR (NR version) has a 18.6" barrel, no biggie. It just got me thinking about caliber options.

With 300blk I can reload easily and use my existing AR mags. But im never going sub sonic so why not try something else. 6.8spc? Or why not just go big and rock 260 or 308? I've read mixed reviews if 6.8spc will jive with 223 mags. Then there is the potential that ATRS has with their new rifle.....

Thoughts? I keep running in circles....

At the end of the day I'm looking for something for fun target shooting, can use for hunting, easy to reload and using my existing AR gear would be nice.

 

[mr83g0n3]

6.8 SPC Feeds great from 7.62x39 AR mags. Also works in 10 round 7.62x39 pistol magazines.

 

[9x19p]

Why not an XCR in 7.62x39?

My XCR round count as of last Sunday, 9125.
9100 of it being corrosive surplus.
9100 x $0.20/round = $1820
" " x $0.45/.223 = $4095
At 10,000 rounds, the cost difference would mean my rifle was free, no?

 

[Canadian_Zuk]

Why not an XCR in 7.62x39?

My XCR round count as of last Sunday, 9125.
9100 of it being corrosive surplus.
9100 x $0.20/round = $1820
" " x $0.45/.223 = $4095
At 10,000 rounds, the cost difference would mean my rifle was free, no?

I love your logic, I need to pitch this to my wife the next time she asks me how much that rifle was....It's on layaway honey, it's $2800 right now, but should be free by the end of the summer and turning a decent profit before Christmas.

 

[knock-knock]

Why not an XCR in 7.62x39?

My XCR round count as of last Sunday, 9125.
9100 of it being corrosive surplus.
9100 x $0.20/round = $1820
" " x $0.45/.223 = $4095
At 10,000 rounds, the cost difference would mean my rifle was free, no?

At 10,000 rounds, the cost of you rifle was almost $5k

 

[cr5]

Why not an XCR in 7.62x39?

My XCR round count as of last Sunday, 9125.
9100 of it being corrosive surplus.
9100 x $0.20/round = $1820
" " x $0.45/.223 = $4095
At 10,000 rounds, the cost difference would mean my rifle was free, no?

Because 7.62x39 is for red rifles and you can reload 300BLK for the same price you can buy that corrosive dinosaur of a round.
300BLK feeds perfectly from AR mags, it requires no other parts but a different barrel, and it can reliably run rounds from 110gr through 220gr.

 

[Iamduck82]

Because 7.62x39 is for red rifles and you can reload 300BLK for the same price you can buy that corrosive dinosaur of a round.
300BLK feeds perfectly from AR mags, it requires no other parts but a different barrel, and it can reliably run rounds from 110gr through 220gr.

Ding ding ding....... Someone gets what I'm shooting at....

 

[Iamduck82]

Looking for something I can reload that performs, and can use some of my existing gear.... To a point...

Reloading 300blk is comparable to 7.62x39 cost but more consistent performance and doesn't require new mags. But since 300blk is optimized for short barrels I'm open to other calibers.......

Thanks for the feedback..

 

[Brian46]

Ok so here is my predicament..... I already have an AR in 223, I have 2 bolt actions in 308, and am starting reloading for both. I had always planned on building an AR in 300blk because I drank the koolaid. Not to mention reloading would be simple. Components are all there. Remington making a 700 in 300blk kind of made it all justifiable for a good NR light rifle.


But now rob arms makes the XCR in 300blk. This kind of wraps it all up into one nice tight little package. Here is the hitch.... 300blk is optimized for a 9-16" barrel. The XCR (NR version) has a 18.6" barrel, no biggie. It just got me thinking about caliber options.

With 300blk I can reload easily and use my existing AR mags. But im never going sub sonic so why not try something else. 6.8spc? Or why not just go big and rock 260 or 308? I've read mixed reviews if 6.8spc will jive with 223 mags. Then there is the potential that ATRS has with their new rifle.....

Thoughts? I keep running in circles....

At the end of the day I'm looking for something for fun target shooting, can use for hunting, easy to reload and using my existing AR gear would be nice.

What about 450 bushmaster or 50beowulf? With the big bore you can make use of it on larger game.

 

[cr5]

Looking for something I can reload that performs, and can use some of my existing gear.... To a point...

Reloading 300blk is comparable to 7.62x39 cost but more consistent performance and doesn't require new mags. But since 300blk is optimized for short barrels I'm open to other calibers.......

Thanks for the feedback..

I have a non restricted length 300BLK conversion for my ACR and it works fine (other than a bent op rod recently which was my fault). It isn't so much optimized for short barrels as it doesn't suffer massive loss in velocity going to a shorter barrel like 223 does. The biggest thing with 300BLK is that it likes a pistol length gas system but I have mine cycling supersonic and subsonic with a carbine length system on a 19 inch barrel.
My 9.75 inch barreled AR is also giving me very close to moa at 100 yds with my 110gr handloads.
It's a great cartridge and brass for it is everywhere when you go to the range. It's a little time consuming to convert it but it's easy to do and lasts pretty well due to the lower pressures. I'm on loading 4 for some of mine and it still looks like new with nice tight primer pockets.

 

[Iamduck82]

I have a non restricted length 300BLK conversion for my ACR and it works fine (other than a bent op rod recently which was my fault). It isn't so much optimized for short barrels as it doesn't suffer massive loss in velocity going to a shorter barrel like 223 does. The biggest thing with 300BLK is that it likes a pistol length gas system but I have mine cycling supersonic and subsonic with a carbine length system on a 19 inch barrel.
My 9.75 inch barreled AR is also giving me very close to moa at 100 yds with my 110gr handloads.
It's a great cartridge and brass for it is everywhere when you go to the range. It's a little time consuming to convert it but it's easy to do and lasts pretty well due to the lower pressures. I'm on loading 4 for some of mine and it still looks like new with nice tight primer pockets.

Are you using the same loads for the ACR as you are for the AR?