5KU AK ST-6 Skeletonized Stock Tube

5KU AK ST-6 Skeletonized Stock Tube Metal Construction Skeletonized Style Rear Bar Can effective Reduces Your Airsoft Guns Weight With Folding Stock Adapter Suitable For SIG AIR MCX/ MPX Series AEG Rifle Airsoft Guns Also Fit For GHK AK/ LCT AK/ CYMA AK/ DBOY AK Series Airsoft Electric Gun AEG Rifle