Internal Optimachoke HP steel choke with special internal rifling to maximize shot dispersion. Recommended only for short and very short distances.
They are supplied with the protective case.
Compatibility:
A400 UPLAND
A400 XTREME PLUS
686 Silver Pigeon I
ULTRALEGGERO
DT11
694
1301 COMP PRO
A400 XCEL
All 12 ga shotguns using OCHP (Optimachoke HP) chokes