We are Law Enforcement Distributors for BETA C-Mag large capacity
magazines (100 Rd.) for most .223 cal. and 9mm tactical weapons. We
also sell tactical accessories for Law Enforcement and Military Weapons.
BETA
C-Mag Magazines
Construction and Design The C-MAG is a twin-drum, high capacity ammunition magazine for rifles, light support weapons, firing port and other specialized weapons in 5.56mm and 9mm caliber. Its main components are constructed of high impact plastic. Avoiding trouble-prone compression springs, the C-MAG utilizes a unique rotation device and low torsion stress springs which ensure positive control of each round and proper feeding. The design provides for equal distribution of the ammunition in each of the twin drums located on either side of the weapon. This results in a fixed center of gravity during firing, an important attribute during full automatic performance. The compact design allows for better ground clearance. Loading The C-MAG loads and functions just like standard magazines. It may be reloaded and reused repeatedly. Loading does not demand disassembly or special tools. The cartridges are loaded by pressing them into the feed aperture in the same way as a normal straight magazine. The cartridges will automatically feed alternately into each drum. Loading can be done by hand or with a choice of loading devices. The springs are tensioned during the loading operation, without the need for any supplementary operations. The magazine does not need to be empty to be loaded and remains completely operational at all times; loading may be stopped at any point, the magazine inserted into the weapon, ready for immediate operation. Operation The key feature of the C-MAG is the formation of the double rows of cartridges (yellow) in each of the drums. Diagram 1 illustrates how these double rows are formed in the interior magazine. Also shown are spacer rounds (gray) and two pusher arm assemblies (blue). The solid spacer rounds (gray) occupy the feed clip when the magazine is empty (Diagram 2). The number required depends on the length and style of the feed clip, which is specific to an individual weapon system. The pusher arm assemblies (blue) transfer the spring energy to the cartridges while being loaded and unloaded. They also serve to maintain the proper orientation of the leading solid spacer rounds. The upper half of the top spacer round positioned at
the open end of the feed clip in an empty C-MAG (Diagram 2) During loading the live cartridges are pressed into the feed clip. The column of spacer rounds and live cartridges are pushed into the drums. The cartridge column splits at the point where the feed clip joins the storage housing; this allows for the concurrent division of the stored ammunition on each side of the magazine. Further into each drum the cartridges are allowed to divide into two concentric rows for storage. Unloading during firing is the reverse. As cartridges are stripped from the feed clip, the column of cartridges advances to fill the space. The springs in the C-MAG are designed to provide virtually a constant amount of tension, regardless of the number of cartridges remaining in the magazine. Weapon types Due to the geometry of its construction, the C-MAG can be used on almost any modern 5.56mm or 9mm combat rifle or other weapon without any modification to the weapon itself being required. The C-MAG consists of two main components, the centrally located feed clip which is weapon specific and the main storage housing which is a standard for all types of weapons. The feed clip is detachable from the storage housing for maintenance or weapon compatibility purposes. C-MAG TECHNICAL DATA
Available to Law Enforcement and Military,
individual officers may order on police department letterhead, FFL
dealers must include letter, call for details.
Parts and Accessories available to the general public.
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is tapered and linked to the one below (red).
The weapon bolt will pass over it and stop in the closed position,
after the last round has been fired. 