Colt 1878 Double Action Frontier

posted on February 1, 2010
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
201022142525-img_1916_2_f.jpg

Samuel Colt died in 1862, so he never saw his cylinder guns reach their evolutionary pinnacle: the double-action revolver. In 1877, Colt came out with its first double-action, the medium-frame Lightning. The company immediately followed with the Model 1878, a big-bore, double-action brother to the Single Action Army (SAA). In fact, it was popularly called the Double Action Frontier, even though it was originally chambered only in .45 Colt. But the introductory announcement heralded the Double Action Frontier as "Colt's New Double Action, Self-Cocking, Central Fire, Army Six Shot .45 in. caliber, Revolving Pistol." For those unfamiliar with the concept, the circular explained: "It can be cocked by the thumb, if preferred, or can be cocked and fired by pulling the trigger."

The 1878 was blued with checkered walnut stocks or nickeled with gutta percha. It used the same angled ejector and 4¾", 5½" and 7½" barrels as the SAA, (plus 2½" to 12" rarities), and featured a similar, albeit flatter, loading gate. The frame incorporated the same grooved topstrap as the SAA, and some scarce flat-top models were produced as well. Also, the 1878 was chambered for most of the same cartridges as the SAA. But that is where the similarities ended.

The graceful frame and bird's head grip were one-piece, and the trigger guard was separate. The Model 1878 had a lowered and shortened hammer spur, with a circular panel on the frame's left side to provide access to the internal mechanism. To make "self cocking" effective, the mainspring was lighter than normal, which unfortunately resulted in misfires. In addition, the complex mechanism, as intricate as a pocket watch but less precise, repeatedly got out of time-a characteristic found with many 1878s encountered today. Produced until 1905-including 4,600 enlarged trigger guard "Alaskan" variations-a total of 51,210 Model 1878s were made.

The .45 Colt, 7½" Model 1878 shown here is in the early 34,000 serial number range, which puts its manufacture in 1894. It retains half its original nickel finish, which has drifted to grey. The bore and cylinder chambers are unblemished, and both its single- and double-action modes function. Unfortunately, the screws, sideplate, and cylinder pin show unskilled disassembly, and there is a small chip missing from the left stock. In its "Very Good" NRA Antique condition, it has a Blue Book value of $900, although a more realistic gun show price would be $1,250. A similar gun recently sold at auction for $1,500. Interestingly, this gun was purchased for $700 in the late 1990s, showing how much the values of these early DAs have escalated.

Latest

Cartridge Nomenclature
Cartridge Nomenclature

Deciphering (Mostly Nonsensical) Cartridge Nomenclature

If you’re perplexed by the naming practices used by our wildcatting forefathers and cartridge makers but are still curious about what they mean, read on.

The Armed Citizen® Jan. 19, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

"9 mm Optimized, But 10 mm Capable:" Dead Air's New RXD910Ti Suppressor

The new Dead Air RXD910Ti harnesses the technology of the patented Triskelion baffle system to make for a 9 mm-optimized silencer that is also capable for use with 10 mm pistol cartridges and more.

Revisiting A World War II Marine’s Story

Secretary of War Pete Hegseth, in his speech to 800 assembled generals, admirals and senior enlisted at Quantico, Va., on Sept. 30, 2025, quoted Eugene Sledge from his timeless classic With The Old Breed published in 1981.

Review: Leupold Rendezvous Soft Cases

Looking for something better than a cheap nylon bag, but don’t need it armored for air travel? Leupold has you covered.

Preview: Hiperfire Hipertrain

Hiperfire’s Hipertrain is a cast aluminum housing into which the AR-style trigger system, safety selectors and pistol grip of the user’s choice (none of which are included) can be installed to create a trigger demonstrator/dry-fire trainer

Interests



Get the best of American Rifleman delivered to your inbox.