NRS (Non-Recoil Supressing) stock does not include a recoil reduction system.
Specifications and features:
Mossberg 500 and 590 12 gauge Knoxx SpecOps NRS shotgun stock
11.25" to 15.25" adjustable length of pull
Polymer and alloy construction
Removable, soft rubber buttpad
Includes pistol grip, stock and buttstock
Ergonomic pistol grip with integrated non-slip texturing
4 sling attachment points
Single bolt installation.
Not for use with ghost ring sights.