The chevron flash hider derived from Century’s C39 AK series is installed on the 18 inch barrel via 5/8-24 threads generating an overall length of 40 inches. The C308 is a blending of CETME and HK G3 surplus parts combined with new U.S. The C93 seems to have benefitted from the prior CETME manufacturing experience in lieu of no “teething” issues apparent in the early production runs of the C93. made roller delayed operating rifles with a CETME version and more recently the C93 chambered in 5.56mm. The difference in recoil impulse of a rifle utilizing the roller delayed blowback method versus direct impingement or a gas piston of the same caliber and weight is noticeable.Ĭentury Arms has prior experience with producing U.S. The design also contributes to accuracy by having the barrel truly free-floated furthermore the roller delayed blowback system avoids sharp recoil impulses derived from direct gas impingement or operating rod systems.
This operation method minimizes opportunities for dirt or carbon build up to affect reliability. There is no need to tap the barrel to bleed off gas directly into the action or via a piston.
The roller delayed blowback operating system uses recoil forces to manipulate the action and does not rely on gases to operate the weapon. The roller delayed STG45 concept was perfected in Spain in the form of CETME courtesy of German engineers who escaped there in the hectic days following WWII. The STG45 was slated to replace the granddaddy of all assault rifles, the STG44, because of its simplicity of manufacture resulting in lower cost and greater production potential. The C308 employs a roller delayed blowback operating system that was featured in the legendary German MG42 machine gun and then downsized/tweaked in the closing stages of WWII in the form of the Mauser STG45 assault rifle. The roller delayed C308 action is a model of simplicity.
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