[DeTomaso] NPC- Ruger Mark II .22 Question

[GW]

your saying piece number "1" here comes apart?:

http://www.midwayuk.com/schematics/PICS/ruger_mark_2.gif



JDeRyke at aol.com wrote:
> In a message dated 8/31/09 7:43:08 AM, gow2 at rc-tech.net writes:
>
>> If you can get your barrel unscrewed I would be impressed since they 
>> are once piece units!
>
> You must be thinking of a different model. The Ruger mk2 auto pistol 
> barrels are threaded 1"-28 SAE fine. As I said, the hardest part is 
> gripping the tapered barrel without scarring to screw in or out. And 
> as one friend reminded me, the thread depth also sets the cartridge 
> headspace, so I adjusted my barrel rather than the receiver so I could 
> use either the 4-3/4" or 6" barrel interchangeably. Cheers- J Deryke