Regarding my caliber statement vs bullet size vs bore size. An inaccurate use of words on my part, I was basing that statement from the "41" that is stamped on the bottoms of .41 colt and 38-40 barrels. I know it has an expandable base but a .41 Colt projectile measures smaller than the. 38WCF.
Maybe it's my imagination but it seems like I see a lot more 1st gen 38-40 than 44-40 on GunBroker these days.
The 38-40 is ballistically the same as the 40 S&W, propelling the same 180 gn .401 dia. bullet at the same or slightly higher velocities. In Loading the Peacemaker by Dave Scovill loads are given producing velocities between 1000 and 1250 fps in a SAA made for smokeless loads. My 38 ed. Lyman gives 10gn Unique 180gn RNFP for 1105 fps. Mike Venturino in Shooting Colt Single Actions gives a velocity of 910 fps using Goex black powder from a Colt SAA with a 4 3/4" barrel. With a 7 1/2" barrel I'm guessing velocity would be at least 1000 fps.
A first generation 4 3/4-inch Colt Single Action Army in .38-40 lives here as well as a Winchester Model 1873 rifle in .38-40.
I love the old cartridge. It does a lot of what could be ask of a cartridge within limitations. One deer has fallen to the .38-40 here fired from a rifle, and it knocked him right over at about 100 steps.
1873 was a very good year for guns!
This all started with one gun!
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