The USFA pinched frame model has replicated the original with an accurate cylinder size and frame window, so there is not the extra metal of USFA's standard SAA models. I would guess, and this is not an official opinion, that todays factory cowboy loads would be allright.
NEW FOR 2010! USFA Double Eagle™ First true hard rubber Birdshead grip since the Colt model 1877. From $1,160 (MSRP).
The US Pre-War™ re-creates guns built at Colt’s Armory between 1873-1941 before WWII. From $1,395 (MSRP).
NEW FOR 2010! Old Armory Original™ Series. .455 ELEY. British proofed circa 1890. Triple cylinder combination .455 ELEY, 45 COLT, 45 ACP. MSRP starting at $2,185
NEW FOR 2010! Sparrowhawk™ .327 Magnum. New Scaled (.32 Caliber) Frame. From $1,495 (MSRP).
The USFA Plinker™ .22 L.R. Full sized Single Action in .22 Rimfire. MSRP starting at $975
The Gunslinger® – Antique Patina Finish. This is your Great Grandfathers Gun! Your instant heirloom — available today at USFA. From $1,145 (MSRP).