At barely five pounds and less than a yardstick long, the Puma 45 Colt carbine balances perfectly and is a joy to handle. Magazine capacity is listed at eight, but it happily accepts nine rounds of typical RNFP 45 Colts loads. With careful handloading it is also amazingly versatile. 335 grain Keith SWC’s, over what we’ll call ‘over 20 grains’ of Winchester 296, produce 1364 fps from its 16 1/8” barrel. I would expect a wound profile from that load not unlike the old 45-70 Trapdoor ‘carbine load’. For lighter game, a Sierra 240 JHP can easily be driven to 1550 fps. My factory duplication load of 7.2 of W231 with a 255 grain RNFP runs 950 fps from this carbine, with insignificant recoil. John Linebaugh’s ‘working load’ of 13.0 of HS6 and a 255 SWC ran 1232 from the Rossi; and in reality you don’t need much more for the anything but biggest of game.
http://www.thesixgunjournal.net/little-big-gun-the-puma-92-carbine-in-45-colt/
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