KELTEC RDB-20
KELTEC RDB-20, The Kel-Tec RDB-C is a semi-automatic bullpup configured rifle chambered in 223 Rem5.56 NATO. A 20.5 barrel is accompanied by a picatinny rail allowing users to attach their choice of optics. Downward ejection of spent casings means that you wont have brass flying in your line of sight. Texturing on the polymer grip and forend allow for a steadier grasp.
Details
Action Semi Auto - Caliber 223 Rem 5.56 - Barrel Length 20.5 - Weight 6.9 lb - Through an ingenious and simple arrangement we have solved the main disadvantage of Bullpup rifles case ejection. Traditional side ejection is not ambidextrous and forward eject like in the FN 2000 or the Kel-Tec RFB is quite complex. - The RDB (Rifle Downward-eject Bullpup) features a rotary bolt with a spring loaded ejector and an extractor facing down. The spent case is pulled backwards along the top of the magazine and then ejected through a vertical chute. The hammer is U-shaped and runs outside the chute and above the magazine. Obviously the bolt travel is longer than traditional designs but well within the ergonomic constraints of a rifle. Other advantages are gravity assisted ejection higher bolt energy at feeding and a slower full auto rate (when applicable). - The RDB is built around a common steel skeleton formed by the receiver and barrel sub-assemblies. Bolt bolt carrier firing mechanism ejector chute and bolt stop are identical for all variations. The short stroke gas operated piston is fully adjustable for different ammunitions and muzzle attachments.
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