folding stock . The side folding stock looks just like a normal fixed stock, however it folds and locks securely to the side of the receiver . http://rusguns.net/?ASSAULT_RIFLES/A...-104%2C_AK-105 Assault rifles AK-101, AK-102, AK-103, AK-104, AK-105 Specifications AK-101 AK-102 AK-103 AK-104 AK-105 Cartridge.......5.56x45.....5.56x45...7.62x39...7. 62x39...5.45x39 Weight w/o cartridges, kg................3.8...........3.4.............3. 8............3.4............3.4 Length: w/unfolded stock,