This video from Classic Firearms explains the meaning of forge markings found on AR-15 upper receivers. Instructors Matt and Jason clarify that these markings indicate the manufacturer of the raw forged aluminum blank, not necessarily the quality of the final product. They detail common forge marks like the keyhole (Cerro), splintered 'A' (Anchor Harvey), and square (BAFE), explaining that the machining process by the final manufacturer is the primary determinant of quality and adherence to mil-spec standards. While not a direct indicator of quality for the average consumer, forge markings can be valuable for collectors, clone enthusiasts, and for tracing material origins in case of defects.
Expert Jonathan Ferguson from the Royal Armouries provides a detailed examination of the British service M16A2 assault rifle and the Colt Model 715. He covers standard M16A2 features, receiver and furniture changes, the burst fire mechanism, and adjustable sights. The discussion extends to the Colt Model 715's differences, including its A1-style sights and full-auto capability, drawing parallels with the Canadian C7 rifle.
This guide details how to identify Canadian-made Colt M4 carbines, often manufactured by Diemaco (Colt Canada), which are appearing on the civilian surplus market. The video, presented by an expert with high authority in small arms history, highlights key visual and internal differences from US-made Colts, including specific markings, forge stamps, barrel specifications, receiver finishes, and gas key staking. These rifles are distinct and sought after by collectors due to their unique heritage and manufacturing variations.
This entry details the L119A2 rifle, the standard firearm for UK Special Forces, manufactured by Colt Canada. It highlights key features such as its monolithic upper receiver, available barrel lengths (10" and 15.7"), Geissele trigger, Magpul CTR stock, and custom Ergo grips. The information is presented with high authority by Ian McCollum of Forgotten Weapons, offering technical insights into its design, components, and operational context, including its public recognition during the Nairobi hotel attack.
The L119A1, adopted by UK Special Forces, is a Diemaco/Colt Canada variant of the M16/M4 platform. It features a Knight's RAS, Lone Star grip, and SureFire 216-A light. Notable modifications include a stepped buffer tube and an ambidextrous charging handle, distinguishing it from standard AR-15s.
This video provides an in-depth look at the Diemaco (Colt Canada) SFW (Special Forces Weapon), a rifle developed for the British SAS. It details the rifle's origins as a modification of the AR-15 platform, highlighting key differences from the M16A2 such as the A1 rear sight and hammer-forged barrel. The video also covers the Bravo Company Manufacturing (BCM) SFW variant, comparing its features and modifications to the original Diemaco design. The discussion emphasizes the rifle's accuracy, reliability, and suitability as a light support weapon, contrasting it with the SA80 and M4 carbine.
This guide, drawing on the expertise of a former Colt employee and AR-15 SME Hank Tatro, details the critical role of AR-15/M16 buffers. It explains how buffer design evolved to manage bolt carrier bounce caused by increased firing rates and different ammunition types. The guide emphasizes selecting the correct buffer for specific firearm configurations and warns against improper mixing and matching, particularly for duty applications. It covers standard rifle and carbine buffers, as well as H, H2, H3, and specialized 9mm buffers, providing insights into their construction and application.
This review of the Colt Canada SA20, a civilian variant of the Canadian C7 rifle, offers a deep dive into its features and military lineage. Expert insights from an active-duty infantryman highlight the differences between the SA20 and the C7A2 service rifle, focusing on semi-automatic function, cosmetic variations, and internal components. The review also touches upon the Integrated Upper Receiver (IUR) and its tactical applications.
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