The Colt Automatic Rifle-15 or CAR-15 is a family of M16 rifle –based firearms marketed by Colt in the 1960s and early 1970s. However, the term "CAR-15" is most commonly associated with the Colt Commando (AKA: XM177); these select-fire carbines have ultrashort 10.5-inch (270 mm) and 11.5-inch (290 mm) barrels with over-sized flash suppressors.

2022年11月22日 · CAR-15 Models 629 and 649 In 1967 Colt extended the barrel to 11.5 inches and called these guns the 629 and 649. The 629 has a forward assist, and the 649 does not.

柯尔特629、630型（XM177E2、GAU-5A/A）上的4.25英寸 Moderator， 其实 这个消声/ 消焰器本身长度、内部结构与 609、610型上是 完全一样的，但在后面增加了一个 “榴弹环”（Grenade Ring），用于下 挂XM148榴弹发射器时的定位 。所以看起来这个消焰器就比XM177E1的要长。

This is a highly authentic reproduction of the Colt XM177E2 or GAU-5A * Notes on Options . Upper Receivers: Slick Side - Air Force GAU-5A; A1 with Tear Drop Forward Assist, Army XM177E2 (1965-1983). C7 is an A1 receiver with an Shell Deflector.. best choice for Left Hand Shooters, not a NoDak (1983-1995) * Note: C7's were never official Army issue.

The 10 inch barrel Colt XM177 (model 609) was essentially a fielded prototype - and the first Colt CAR-15 SMG version to see limited issue to SEALs, Special Forces and the CIA. Production ran only about one year (1966-67), with possibly less than 3,000 fielded before replacement in 1967 by the longer (and better known) 11.5 inch XM177E2.

2020年6月1日 · The increased length reduced noise and muzzle flash, and allowed fitting of the Colt XM148 grenade launcher. A metal boss was added to the moderator for mounting of the XM148 and rifle grenades. The chambers were also chrome-plated. The Commandos with the longer barrels were called the Model 629 and Model 649.

This retro classic carbine is built to the original colt model 629 specifications from the 1960s. The 11.5 inches barrel has an extended flash hider designed to replicate the original moderator that was so iconic for this mod

This Retro Classic Carbine is built to the Original Colt Model 629 specifications from the 1960s. The 11.5″ Barrel has an extended flash hider designed to replicate the original moderator that was so iconic for this model .

The increased length reduced noise and muzzle flash, and allowed fitting of the Colt XM148 grenade launcher. A metal boss was added to the moderator for mounting of the XM148 and rifle grenades. The chambers were chrome-plated. The Commandos with the longer barrels were called the Model 629 and Model 649.

The Model 629 was a carbine variation of the M16A1 w/retractable stock, 11.5" barrel & large moderator, it was the final version in VietNam of a number of low production carbine variants used by all services. They were originally issued to Special Services troops but subsequently found their found way to other units late in the war.