AR-10 Barrel in an AR-15 Upper Receiver

[Ab_Normal]

http://www.franklinarmory.com/PRODUCTS_308-Upper.html

Neat but I doubt there will be much market for that when a fully functional 308 AR type rifle can be had for just a few hundred dollars more.

 

[euchre98]

Bolt action maybe?

 

[wabbit]

I have a question that's slightly off topic here, but what's the difference between the Armalite and DPMS barrel extensions and bolts for a .308 AR? I know if you install a DPMS barrel, you need to use a DPMS bolt, and the same with Armalite, but I don't know how they differ in dimension. Does one offer more reliable feeding than the other?

 

[DaemonAssassin]

I have a question that's slightly off topic here, but what's the difference between the Armalite and DPMS barrel extensions and bolts for a .308 AR? I know if you install a DPMS barrel, you need to use a DPMS bolt, and the same with Armalite, but I don't know how they differ in dimension. Does one offer more reliable feeding than the other?

I'm deferring to a more informed person, but I think it has to do with the pattern of the upper and lower because there is no uniformity in the AR10 world for internal components to build a rifle from scratch.

 

[Sticky]

I have a question that's slightly off topic here, but what's the difference between the Armalite and DPMS barrel extensions and bolts for a .308 AR? I know if you install a DPMS barrel, you need to use a DPMS bolt, and the same with Armalite, but I don't know how they differ in dimension. Does one offer more reliable feeding than the other?

The Armalite is patented, so nobody can copy it.. the DPMS is a variation of the Armalite and the parts must be kept separate for each and not mixed or matched in the upper. The uppers/lowers are different, the bolts and the barrel extensions.

They are a draw, imo... either will work great, it's really a matter of whether you want a 'true, original' Armalite style AR-10, or a copy, in the DPMS style LR-308. I chose the DPMS, as I think there is a bit more stuff available for that style and I build my AR's one piece at at time.

 

[Ab_Normal]

The upper of the Armalite is patented, so nobody can copy it..

Do you have any other info on that? I have never seen that stated anywhere else nor have I ever seen an Armalite upper with any patent markings as would be required. The only patent marking I have ever seen from Armalite are on their bolt carriers.

 

[Sticky]

Do you have any other info on that? I have never seen that stated anywhere else nor have I ever seen an Armalite upper with any patent markings as would be required. The only patent marking I have ever seen from Armalite are on their bolt carriers.

I may be off a bit there, but.. it was my understanding that Armalite was the first to bring the AR platform to the 308 and they somehow protected it from being copied.. perhaps trademarked? That is why the other variants are different in the upper/lower design and parts.

edit - I know the trademark only protects the name, but the AR-10 was licensed to Colt Manufacturing along the way and it has a long history from the original military prototype designs... Most of the others were copies with variations that kept them different from the Armalite design..

 

[Sticky]

An interesting and short brief history of the AR-10..

http://www.thetruthaboutguns.com/2010/07/captain-john-raguso/gun-review-armalite-ar-10/

 

[wabbit]

The Armalite is patented, so nobody can copy it.. the DPMS is a variation of the Armalite and the parts must be kept separate for each and not mixed or matched in the upper. The uppers/lowers are different, the bolts and the barrel extensions.

They are a draw, imo... either will work great, it's really a matter of whether you want a 'true, original' Armalite style AR-10, or a copy, in the DPMS style LR-308. I chose the DPMS, as I think there is a bit more stuff available for that style and I build my AR's one piece at at time.

Thanks for the info. I started looking around for barrels and bolt carrier groups and the DPMS compatible parts are more readily available than the Armalite parts. I may end up getting a DPMS barrel in the end.

 

[DutchV]

Single shot, single feed in .308 ?

Get a handi rifle and save the rest of the money for ammo or another project

Here's the ticket. Handi's are a fantastic value, break down into a small package and you can get extra barrels fitted at the factory for cheap.

Or just buy an AR-10. They're still legal in MD. That Franklin Armory upper looks like it shouldn't have made it past the drawing board stage. I'll bet you never see one in person.

 

[blindnoodle]

I may be off a bit there, but.. it was my understanding that Armalite was the first to bring the AR platform to the 308 and they somehow protected it from being copied.. perhaps trademarked? That is why the other variants are different in the upper/lower design and parts.

edit - I know the trademark only protects the name, but the AR-10 was licensed to Colt Manufacturing along the way and it has a long history from the original military prototype designs... Most of the others were copies with variations that kept them different from the Armalite design..

Uh, there are two readily available spec of AR 10 parts. DPMS spec and Armaltite spec. They do not interchange, but everyone and their mom makes parts that conform to both spec. Mega Machine specifically made the MaTen to conform to BOTH, so you can choose to go either Armalite OR DPMS spec.

 

[Maestro Pistolero]

http://www.ar15.com/forums/t_3_121/413443_.html

Learn here which parts are interchangeable. Many are.