Winchester SXP tube extension [Ga.12] | +2 rounds FN Integrated rear sight – machined

Integrated rear sight – machined into the plate body for a co-witness iron sight

no slide milling

Aircraft-grade aluminium optics ready plate for the factory optics-cut Sig P320

sling attachment without additional hardware

Accessory mounting points accept a thumb rest or Picatinny rail for a flashlight — no additional hardware required

Winchester SXP tube extension [Ga.12] | +2 rounds FN Integrated rear sight – machinedMagazine tube extension for Winchester SXP. Full compatible model list below. Adds 2 rounds of extra capacity. Extended tube shifts weight forward for improved balance under recoil. Extended capacity keeps you shooting through longer stage runs or sustained strings without reloading. Forward tube weight shifts the balance point ahead of the action, steadying the shotgun under recoil for faster follow ups. Precision machined extension maintains