UPBOLT Adder Converter for RX / R9 Cobra RX Adder Those additional items perfectly match

Those additional items perfectly match with magazine on Cobra Siege

Additional frontal parts for magazine fixation

drill pins and screwdrivers are not included

you have two paths available:

Cobra Siege is an excellent crossbow

UPBOLT Adder Converter for RX / R9 Cobra RX Adder Those additional items perfectly matchUPBOLT Adder Converter for RX R9 is an affordable path for converting your RX or R9 crossbow into Adder compatible platform, so that Adder designed magazines should fit our crossbow. More about this kit see here: https: www. youtube. com watch? v=ChUZ7ihxXkY 1. Why buy this item? Cobra RX and R9 are perfect crossbows, but those are single shot. If you want to use magazines designed for Adder, you have two paths available: upgrade it using EK archery