DOMINATOR™ M870 AR STOCK ADAPTOR

Price: $12.49 – $79.75 — In stock at 1 retailer.

Prices last checked July 30, 2026 across 2 retailers.

FEATURES: + Facilitate the use of collapsing or telescoping stocks, which provide a shorter length of pull (LoP) than the factory stock, which is especially important for law enforcement or¡°tactical¡±operators + original DM870 stock is replaced by an adapter that mimics the stock attachment point of an AR-15 lower receiver + AR-15 collapsible stock and pistol grip can be reliably attached to the DM870 + Compatible with AR-15 stocks that do not require a lower indexing dimple (This includes most military and commercial collapsing stocks, but few if any fixed stocks) + Generally, any stock with an indexing groove machined into the ventral side of the receiver extension tube threads will be compatible + Generally compatible with any grip that does not feature a rear upper extension + Mounting of the Stock Adapter Shotgun Conversion Kit requires no special tools and should take less than 30 minutes. All required hex keys and an AR-15 stock wrench are included with the stock kit. PACKAGE INCLUDES: 1 x FRP (Fibre Reinforced Polymer) stock adapter 1 x Receiver cap screw 1 x Receiver screw hex key 1 x AR grip screw 1 x Custom¡°claw¡±receiver extension end plate 1 x Sling plate blank 1 x AR grip nut 1 x AR grip screw spacer 1 x AR grip 1 x AR Stock

DOMINATOR™ M870 AR STOCK ADAPTOR price comparison: the lowest price is $12.49 at KY Airsoft, the highest is $79.75, and the median across 2 tracked listings is $46.12. Comparing retailers can save up to 84% ($67.26) versus the highest-priced listing.

Compatible with: GBBR

See all M870 magazines & fitment →