44-40 Ammo

Shop .44-40 Ammo – Bulk, Revolver & Lever-Action Loads In Stock Now

Explore SGAmmo’s extensive selection of .44-40 Winchester (10.8×33mmR) ammunition—ideal for revolvers, lever-action rifles, and cowboy action shooting. Featuring trusted brands like Black Hills, Magtech, and Hornady, we offer lead round nose flat point (LRNFP), lead flat nose (LFN), and specialty cowboy action loads in boxes and bulk cases for maximum value.

Introduced in 1873 by the Winchester Repeating Arms Company, the .44-40 was the first centerfire cartridge manufactured by Winchester and was promoted as the standard chambering for the new Winchester Model 1873 rifle. This dual-purpose cartridge, suitable for both rifles and revolvers, became widely popular among lawmen, settlers, and hunters, earning the Winchester Model 1873 the nickname "The Gun That Won the West." Its popularity led to its adoption by various firearm manufacturers, including Colt, which offered the "Colt Frontier Six-Shooter" chambered in .44-40 to complement the Winchester Model 1873.

Every product listed is on hand and ready to ship—no waiting, no third-party drop shipping. Orders leave our warehouse quickly, and our bulk and case pricing keeps costs low for shooters who want to train, hunt, or keep their ammo shelves stocked. Whether you’re feeding a classic lever-action rifle, a period-correct revolver, or outfitting for cowboy action shooting, SGAmmo is your source for quality .44-40 ammunition at prices that make sense!