The Krebs KTR-08 is a heavy hitter when it comes to tricked out AK-47s. It starts out as a stamped receiver born in the Izhmash Russian arsenal factory. Krebs then makes the gun 922r compliant with the addition of many US made, innovative proprietary parts. Most prominent is the long Picatinny rail (Sight Receiver Rail System Krebs Catalog #51) which uses a solid ball truninon and pivot system to lock in above the stamped receiver cover. The rail is easy to un-mount and lock back in. The rail integrates excellent iron sight using an AR-15-like approach: dual aperture in back, height adjustable post up front. This sight system lengthens the radius by 60% over a regular AK. Ergonomics are greatly improved by the addition of a Krebs proprietary safety catch the transfers the actuation to the right thumb (sorry lefties). This is a huge improvement over the standard AK safety catch. Also an op handle notch is milled into the opposite side safety catch lever which can retain the operating handle, another nice feature. The Krebs forward rail is well designed and narrow, preserving the overall excellent ergonomics of the gun. Plenty of real estate is available on the rail but be careful not destroy your swing weight (discussed). The KTR also has two excellent Tapco brand upgrades: a single hook G2 trigger and pistol grip with storage compartment. The trigger releases crisply. The stock is a VLTOR retractable AR-15 compatible type with storage compartments. It helps cure the …