Gemini Choke IN/OUT +55mm Optima HP Extended | Choose Size

NZ$199.00 .

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Gemini In/Out +55mm Extended Chokes – Steel Rated Across All Restrictions

Fits: Beretta shotguns with Optima HP choke system – suitable for both hunting and clay shooting. Extended +55mm (total 125mm) choke for enhanced performance and longer shot column control.

Choose from:

  • Full (1/1) – Steel Compatible – Weight: 56.30g
  • Improved Modified (IM / ) – Steel Compatible – Weight: 55.30g
  • Modified (M / *) – Steel Compatible – Weight: 58.80g
  • Improved Cylinder (IC / **) – Steel Compatible – Weight: 55.70g
  • Extra Full (XF)Lead Only – Weight: 63.35g

Made for Performance and Built to Last

Gemini chokes are crafted in Italy using precision CNC machining and 42CrMo4 alloy steel. With a hardness rating of 800–900 N/mm², these chokes are balanced for strength, toughness, and longevity.

Advanced Finishes for Long-Term Reliability

Each choke receives Gemini’s signature multi-layered treatment for superior resistance to wear, corrosion, and fouling:

  • Nickel Plating (HV500 Niplate) – Internal anti-friction & corrosion resistance
  • DLC Coating (Diamond-Like Carbon) – Extreme hardness (2500–3000 HV), low friction, high durability

Designed for Steel Shot Use

All steel-compatible chokes are clearly laser-marked for steel shot or lead, and fully comply with Banco Nazionale di Prova standards. The XF variant is lead-only.

Care Instructions

  • Ensure firearm is unloaded before installing or removing choke.
  • Check choke for clean threads and damage before each use.
  • Always tighten securely to prevent gas leakage.
  • Clean regularly and apply high-temp grease to threads before reinstallation.

Purchase of this item requires a firearms licence, if you intend to have this item freighted you will need to complete a Police Order Form and take it into your local police station to have it signed off. This is not required for direct store collections. The form can be found from the link below.

Police Order Form

Gun City is NZ's largest firearms dealers. We have been selling, importing, exporting, manufacturing, customising and repairing firearms and accessories since 1978. We have the largest range of guns, ammo and accessories available now, online in New Zealand.

Please call our shop for more information on +64 3 379-8888 in Christchurch, New Zealand.

(274556), (274555)