M2 CQB Para

In 1972, the company manufacturing the M2 series(Palmer Weapons Systems or PWS) realized that the M2S MKII was too long for paratroopers, and the small bullet didn't need such a long barrel. Thus, the 7.62X26 Magnum was developed to fit into a STANAG magazine. Then the old model was modified for full-auto function and the scope was removed, along with 8" of barrel.

Done