I think there are more then one however my only experience is the Mark III Lite, I really like it and recomend iy, all the mark II and III's are very reliable and worth the money, the SR22 is a great pistol as well and both models shoot evvery type of ammo I have tried through it.
Country: United States
answered 1 year, 8 months ago
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according to Ruger's website, the model #s 10149, 10150 and 3903 (the 22/45 LITE) are all threaded barrels.
answered 1 year, 10 months ago
2out of 2found this answer helpful.