what caliber of rifle did the rifleman use
The Rifleman The rifle used on the set of The Rifleman, an 1892 Winchester caliber .44-40 carbine with a standard 20-inch barrel, appeared with two different types of lever. The backwards, round-D-style loop was used in the early episodes. Sometimes the rifle McCain uses has a saddle ring (the purpose of this ring is to allow the rider to tie the gun with a lanyard, to secure it in the scabbard). The lever style later changed to a flatter lever (instead of the large loop) with no saddle ring.
.300 AAC Blackout The .300 AAC Blackout (designated as the 300 BLK by the SAAMI[1] and 300 AAC Blackout by the C.I.P.[2]), also known as 7.62×35mm is a carbine cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Its purpose is to achieve ballistics similar to the 7.62×39mm Soviet cartridge in an AR-15 while using standard AR-15 magazines at their normal capacity. It can be seen as a SAAMI-certified copy of J. D. Jones' wildcat .300 Whisper. Care should be taken not to use 300 BLK ammunition in a rifle chambered for 7.62×40mm Wilson Tactical.[3]