ZCI M870 Stock Adapter

A polymer-constructed stock adapter for the M870 series spring shotguns. These fit the Cyma variants the best and are easy to install. Simply remove the screw for the pistol grip/stock on the original and use that same screw to mount this adapter. The rear has a female thread which fits the stock tube and a mount for a GBB-style pistol grip of your choice.

Either side of the adapter has a QD sling point for QD slings

Features:

• Polymer construction
• Dual sling points
• Uses AEG M4 stock tubes
• Used GBB pistol grips
• Fits Cyma M870