What do you think of the new bullpup design? Share with us in the comment section. The upgraded version, which has more polymer and aluminum, weighs 7 pounds to the standard M43’s 8-pound weight. Barrel length is 17.4 inches for both versions, and the overall length for the standard M43 is 26.2 inches, while the upgraded M43’s OAL is 27.4 inches. All components are fully interchangeable.Ĭhamberings for either rifle can be either 5.56mm NATO or 6.5mm Grendel. The AR-332 Scope performs outstanding on this platform at 50 to 200 yards with easy target centering and shot placement. The recoil is very mild compare to the size of the rifle. The Kel-Tec has a 1:11 twist barrel per Kel-tec. The standard M43 with some wood furniture will have foldable sights with 100-, 300- and 500-meter markings.Īn upgraded version comes with optional optics and an aluminum Picatinny-rail handguard for mounting accessories. The RFB at the range with five different types of ammo for accuracy testing. The short-stroke-gas-operated piston is adjustable for different ammunition and muzzle attachments. Bolt, bolt carrier, firing mechanism, ejector chute, and bolt stop are identical for all variations. The rifles are built around a common steel skeleton formed by the receiver and barrel sub-assemblies.

Kel tec rfb review 2019