Categories All About Guns Ruger Model No. 3 Falling Block Carbine, Blue 22 Single Shot Rifle & Box in caliber .223 Rem. Post author By Grumpy Post date February 14, 2018 No Comments on Ruger Model No. 3 Falling Block Carbine, Blue 22 Single Shot Rifle & Box in caliber .223 Rem. I never saw one of these in 223 before, most I have seen in this model was 45-70 Government. I guess it is never too late to learn something! ← Gunsmith to the Gangsters of the 20's & 30's → Colt All American 9mm Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ