Dec 18, 2024 · In 1965, they had gut feeling, and trial and error. The Colt 607 was a trial-and-error firearm. Only around 50 were made. From what I understand, each one of the 50 was hand-made and differed slightly. Let’s take a look at some of the 607’s design features, and how they differ from a modern AR-15.

Colt has been the most visible producer of ArmaLite AR-15 pattern weapons, and the military designations M16 and M4 are heavily associated with the company. Colt has an intricate internal nomenclature system for its models, with a variety of suffixes and prefixes.

Sep 18, 2023 · The Model 607 was Colt’s first attempt at a carbine version of the AR-15 rifle, shortening both the barrel and stock. The action is identical to a standard AR, but the barrel is only 10 inches (254mm) long, and the stock uses a collapsing design unique to this model.

Oct 13, 2023 · That carbine can trace its roots back to a rifle known as the Colt 607. The Colt 607 is one of the more important rifles ever created because of the M4. The M4 Carbine is often considered the pinnacle of the AR design. It’s the Goldilocks rifle for many military forces.

Nov 9, 2024 · This is one of Colt’s toolroom prototypes of the Model 607, the very first carbine version of the M16 or AR-15. Background Colt was selling the AR-15 as a military rifle not just to the US Army, but also looking for international contracts for it.

The CAR-15 program started in earnest in 1964 with samples of the SMG Model 607 being submitted to the U.S. Army for evaluation. Starting in May 1965, Colt attempted to market the M16 rifle and its variants developed under the CAR-15 program to commercial markets and markets outside the United States as a modular weapon system .

Mar 10, 2020 · Hello, in the process of building a Colt 607 build and I wanted some suggestions or guidance as this is my first AR build. Right now I'm just worried about building the front side of the upper. So barrel and handguard etc.

Jul 31, 2004 · Here is a history of the 607 as I understand it. The weapon was introduced in 1965 with the handgaurds and buttstock that we know. It was introduced at that time with a trident flash hider ( no moderator or forward assist ) and promoted to military personell as a lightweight back up weapon for already encumbered squad weapons teams.

Sep 3, 2019 · I am trying to figure out the difference between the 607 and 607A, and I have not had much luck. I know that the 607B is listed as "safe, semi, burst", but BOTH the 607 and 607A are listed as "safe, semi, full".

Guns of the Decades – 1960s: Colt 607 – Colt’s First AR-15 Carbine Posted 29 days ago by in Firearms , News 6 All photos in this article were used with permission from Ian McCollum of Forgotten Weapons.