The 260 rem, 7mm08, 284 win are all limited by length constraints and case capacity in the AR10 platform and SA bolt rifles. Bolt rifles overcome this with LA frames, custom chambers, and other voodoo.
I base that statement on the fact that they all have a listed cartridge length of 2.8. This also seems to be teh maximum length of the AR10 magazines.
http://www.6mmbr.com/index.html has a list of cartridge dimensions that I used as the basis of my research for this post.
What has to be done to an AR10 or other semi-auto platform to allow the 260 rem, 7mm08, and 284 win to perform to their fullest potential?
Specifically I am interested in adapting an AR10 platform to fully utilize the 284, with the 7mm08 being my second choice. If the AR10 is unusable- which seems to be the case -what act of god would it take to adapt any of the other semi auto rifles to shoot the long heavy high BC 7mm bullets?
On 6mmbr.com the cartridge dimensions show that the 30-06 uses the same .4728 bolt face, and the nominal cartridge length is ~ 3.3402. Is there any way to turn this into a 7mm sniping platform? It also seems that a 7.62*54 dragunov platform might work with a length of ~ 3.02
Any thoughts or is it just not possible to get the big 7mm bullets into a semi auto?
I base that statement on the fact that they all have a listed cartridge length of 2.8. This also seems to be teh maximum length of the AR10 magazines.
http://www.6mmbr.com/index.html has a list of cartridge dimensions that I used as the basis of my research for this post.
What has to be done to an AR10 or other semi-auto platform to allow the 260 rem, 7mm08, and 284 win to perform to their fullest potential?
Specifically I am interested in adapting an AR10 platform to fully utilize the 284, with the 7mm08 being my second choice. If the AR10 is unusable- which seems to be the case -what act of god would it take to adapt any of the other semi auto rifles to shoot the long heavy high BC 7mm bullets?
On 6mmbr.com the cartridge dimensions show that the 30-06 uses the same .4728 bolt face, and the nominal cartridge length is ~ 3.3402. Is there any way to turn this into a 7mm sniping platform? It also seems that a 7.62*54 dragunov platform might work with a length of ~ 3.02
Any thoughts or is it just not possible to get the big 7mm bullets into a semi auto?