The semi-automatic Sub-2000™ is designed to be the most convenient 9 mm Luger carbine available. The SUB-2000 is highly adjustable and foldable, by rotating the barrel upwards and back, the SUB-2000 rifle can be reduced to about 16.25 x 7″ for easy storage. This versatile rifle and can accept most popular handgun magazines, this model accepts GLOCK 17/34 magazines. Plus it can easily be disassembled for cleaning or inspection without tools. Ideal for backpacking trips and situations where space and convenience are paramount. The polymer of the Kel-Tec SUB-2000 Semi-Auto Rifle consists of an impact modified glass reinforced Zytel. Two integrated Picatinny rails come standard on the SUB-2000″ forend for mounting compatible accessories. The forend also includes five mounting slots per side, configured for various M-LOK” accessories. The stock can be adjusted to three different positions for shooter’s comfort. Each position adds approximately 5/8 of an inch to the overall length of the weapon, with a total extension of 1.25 inches in the further rearward position.