hbean
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There is no difference, your point is correct and it is the exact same stance the RCMP lab has taken.What is the difference in receivers between the AR10 and the AR308??? Buffer tube size isn't enough to charge a type or a lineage.
It doesn't take a rocket scientist to know functionality wise AR10, AR15, AR10B and AR308 are exactly the same, because when the OIC prohibition order came into force in 1989 the original Armalite 1956 AR10 was not part of the prohibition list while AR15 was specifically classified as restricted by name. so NEA is using the argument their design is based on the specification of the original 1956 AR10, not from the specification of the later 1995 AR10B model which is based on scaled up dimensions of the Colt A15A2, so it should be classified as NR like the original AR10.
Try and imagine if you will NEA25 and Ar15 are bother and sisters they are both offsprings of the AR10, while AR10B, DPMS and other AR308 are the childrens of AR15, so NEA25 is not to be considered to be part of their immediate family.
Wikipedia AR10 said:In 1995, former Army Ordnance officer Mark Westrom, owner of Eagle Arms, purchased the ArmaLite brand and the company became ArmaLite Inc. Shortly thereafter, ArmaLite Inc. introduced a completely new rifle, collectively known as the AR-10B rifle series. Notably, the AR-10B was not designed using the original AR-10 drawings from either ArmaLite or Artillerie Inrichtingen, but instead was based on the Colt AR-15A2, with parts scaled up or redesigned as needed to fire the 7.62×51mm NATO (.308 Winchester) cartridge. The AR-10B prototype was composed of individual sub-components tested on a special lower receiver made of two slabs of aluminum fitted to a Knights Armament CompanySR-25 upper receiver assembly, and prototyped using computer analysis. The full prototype AR-10B was the first rifle off the production line.Since 1995, the new ArmaLite company has also incorporated various other design and engineering improvements to the AR-10, including a newly designed steel magazine derived from the model used on the U.S. M14 rifle. The current ArmaLite AR-10 is offered in several versions including an A2 and A4 rifle or carbine with collapsible stock, a target model (AR-10T), a 'retro' AR-10B with Sudanese AR-10-style handguard and cocking lever (limited production) and one version chambered in 300 Remington SAUM. Current users include the Ontario Provincial Police Tactics and Rescue Unit.
While ArmaLite Inc. holds a US trademark on the name "AR-10", other rifle manufacturers currently produce 7.62×51mm NATO auto-loading rifles that are based generally on the AR-10 design: the DPMS LR-308, KAC SR-25, Rock River Arms LAR-8, JP Enterprises LRP-07, American Spirit Arms ASA .308, Fulton Armory Titan, LWRC's R.E.P.R., LaRue Tactical's OBR, RND Manufacturing's "The Edge", the German Oberland Arms OA-10, the Lewis Machine and Tool LM308MWS, Bushmaster MOE 16 .308, Palmetto State Armory PA-10, and Smith & Wesson M&P10.
Wikipedia SR25 said:The SR-25 (Stoner Rifle-25) is a designated marksman rifle designed by Eugene Stoner and manufactured by Knight's Armament Company.[SUP]
[/SUP]The SR-25 uses a rotating bolt and a direct impingement gas system. It is loosely based on Stoner's AR-10, rebuilt in its original 7.62×51mm NATO caliber. Up to 60% of parts of the SR-25 are interchangeable with the AR-15 and M16—everything but the upper and lower receivers, the hammer, the barrel assembly and the bolt carrier group