The Adaptive Tactical Tac-Hammer RM4 stock is designed to accept Ruger 10/22 actions and add modular, user-configurable features for a variety of rimfire applications. It uses a synthetic construction and an adjustable M4-style buttstock to provide length-of-pull options and storage. The forend contains a concealed, reversible Picatinny rail and the fore-end insert accommodates both standard tapered barrels and .920″ bull barrels. Ambidextrous compartments in the butt house two spare Ruger rotary magazines (magazines not included).
Key Specifications
- The stock is designed to fit Ruger 10/22 receivers.
- Constructed from synthetic material with a black finish.
- Removable barrel insert fits both standard tapered barrels and .920″ bull barrels.
- The forend features a concealed reversible Picatinny rail for mounting accessories.
- Equipped with an adjustable M4-type buttstock providing custom length-of-pull.
- Buttstock includes ambidextrous storage compartments for two Ruger rotary magazines.
- Length of pull adjusts between 10.25″–14.75″.
- The listed weight is 2.4 lbs.
- Includes a pistol grip sized for accessory monopod compatibility with a black polymer grip.
- Part of the RM4 Stock series and intended for rifle use.
The Tac-Hammer RM4 offers practical modularity for shooters building or upgrading a Ruger 10/22 platform. Its combination of adjustable stock geometry, accessory-ready forend, and onboard magazine storage makes it suitable for range work, small-game fields, and general rimfire setups where adaptability and convenient accessory mounting matter.
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