XCR-M caliber/barrel questions

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2ton21

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will the xcr-m in the future be able to fire 5.56 or 7.62x39? what the the limits of its barrel swapping? i dont know much about barrel swap rifles, are any aftermarkets working on new barrels/calibers for the xcr-m?

any info on the xcr-m future would also be helpfull.

am asking because im considering it for my first private rifle purchase. (used the c7 in the army) wanted a scar but cant get them in can.
 
RA has a rifle for 5.56, 7.62X39 and 6.8 SPC. The XCR-L is available in these chamberings. The XCR-M is only available in .308, plans were to include other .308 based cartridges. I don't know when that will happen.
 
I should have stated in my op I was aware of the L. My question is more if the M can/could use those calibers, ie is there a design limitation or physical limitation preventing the M from firing those calibers (with the appropriate conversion parts of course)? if there is no reason it can't fire those calibers other then no one has made the parts to do the swap are there currently now or in the future plans from Robinson or aftermarket so it could. Would robinson not do this so they do not have product overlap between the L and M?

It would be nice if it has the potential to do that level of caliber swap for many reasons.
My knowleage of how the L does its swap is limitied. Does it just involve a barrel change or is it more heavily involved of a process? IE would allowing a xcr-m to swap to 7.62x39 or 6.8 involve too many complex modifications to be considered practical for a user end ordered part swap?
 
The action on the m is bigger to fit the larger 308 round. You would need a new lower to get the magazines to fit.
 
The bolt body and (possibly) carrier would need to be modified for the smaller rounds and the magazines would either have to be proprietary or else use an adapter that fits in the old magwell. I'd also assume that the shank of the barrel is a larger diameter on the M, so specially made barrels would also be required. The gas system would also have to be tuned to run the bigger, heavier bolt in the M as well.

I can understand the appeal of having a gun that could be swapped from 5.56 to 7.62X39 for cheap shooting, and then to a 7.62X51 or .260 Rem. for long range work; not to mention the capability of shooting most popular calibers in an SHTF situation. Sadly, it's not feasible without a ton of serious custom work.
 
SomebodyTookMyName said:
The bolt body and (possibly) carrier would need to be modified for the smaller rounds and the magazines would either have to be proprietary or else use an adapter that fits in the old magwell. I'd also assume that the shank of the barrel is a larger diameter on the M, so specially made barrels would also be required. The gas system would also have to be tuned to run the bigger, heavier bolt in the M as well.

I can understand the appeal of having a gun that could be swapped from 5.56 to 7.62X39 for cheap shooting, and then to a 7.62X51 or .260 Rem. for long range work; not to mention the capability of shooting most popular calibers in an SHTF situation. Sadly, it's not feasible without a ton of serious custom work.
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thank you for the information it was very helpfull. guess we just are not there yet when it comes to modular rifles hopefully somewhere down the line someone will make changing calibers only a little more time then swapping barrels
 
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