When working at the Ranch, I'm usually packing a Colt SAA 4 & 3/4" bbl in .45 Colt.
And 95% of the time the first loaded round is CCI .45 Colt Snake Shot Capsule.
It does a great job on big Rattlers.We're located on the Brazos River in N.TX and I kill Rattlesnakes year round, as our winters are usually pretty mild, and a lot of times, on a warm sunny day, snakes still come out to sun even in winter months.

Never had much luck with the CCI .22 LR Rat shot loads except in the barn for shooting rats in our feed room. The CCI 45acp Snake Shot work OK in a 1911,but like Travis mentioned, they will not cycle through any of my 1911's.
That's why I prefer the 45 Colt Snake Shot over all other Calibers.

Last edited by chlinstructor; 09/10/14.

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