Sep 8, 2010 · I'm not sure anymore heh. The bipod used on the 606 and 611 isn't clearly stated in my notes. The XM106 should have used the M2 bipod as well. The 621, as well as the 741 …

Feb 1, 2025 · "Colt 606: Heavy Barrel. The 606 is the first appearance of a true heavy barrel, and it is the H-Bar version of the Model 604. The 606A had the forward assist, and was the H-Bar …

Jul 1, 2015 · Back in the late 80's early 90's some dealers had the upper Colt 606 for sale. The uppers from these exports were from Canada. The full auto lowers were not imported. These …

Sep 15, 2022 · What I haven’t noticed before is Colt mentioned why they made each model. Below are the reasons for each model and when they would be ready to deliver: 605 CAR-15 …

Aug 15, 2023 · Probably the closest you can get to the 606 build! The barrel assembly was bought together and I paired it with the XM16E1 upper, early bend gas tube and no drain hole …

Apr 28, 2015 · [ARCHIVED THREAD] - Colt Model 606 M16 Heavy Assault Rifle. ARCHIVED; AR-15 » AR-15 / M-16 Retro Forum.

Jun 3, 2023 · Looking to build a Colt 606b clone, is there a machinist that any of you may know of that could make this part and pin the adapter on a barrel? This mount accepts the M2 m14 …

Apr 25, 2009 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.

Feb 1, 2025 · "Colt 606: Heavy Barrel. The 606 is the first appearance of a true heavy barrel, and it is the H-Bar version of the Model 604. The 606A had the forward assist, and was the H-Bar …

Mar 5, 2025 · Selling a NOS Colt IAR LMG upper and this is not like all the ‘prototype’ IAR uppers on GB, this is a true first version with non locking FSB and patent forged into the upper due to …