Patternmaster Code Black Duck 20 Gauge Long Range Duck Choke Extended Ported for Beretta Optima HP A400

The Patternmaster Code Black Duck 20 Gauge Long Range Duck Choke is designed for waterfowl hunters seeking precise, long-range patterns and superior downrange energy. Engineered specifically for the Beretta Optima HP and A400 20-gauge shotguns, this extended, ported choke delivers consistent, dense patterns for ducks, geese, and other waterfowl, giving hunters confidence for ethical, effective shots.

Key Features

• .570 constriction for tight, long-range waterfowl patterns

• Extended choke design improves pellet stability and pattern consistency

• Ported construction reduces muzzle rise and shortens shot string for better control

• Optimized for waterfowl hunting with heavy duck loads and larger shot sizes

• Direct fit for Beretta Optima HP and A400 20-gauge barrels

• Constructed from heat-treated, corrosion-resistant steel for long-lasting durability

• Precision-machined for repeatable and reliable performance

• Screw-in installation compatible with standard choke wrenches

Specifications

• Model: Patternmaster Code Black Duck (PM-5376)

• Gauge: 20 Gauge

• Constriction: .570 (Full / Long Range)

• Type: Extended, Ported

• Range: Long

• Game Type: Waterfowl

• Thread Type: Beretta Optima HP / A400 screw-in pattern

• Material: Heat-treated, corrosion-resistant steel

• Installation: Screw-in, choke wrench compatible

• Recommended Loads: Heavy duck loads (#2–#4 shot sizes)

• Warranty: Manufacturer warranty

Benefits

• Delivers ultra-tight, ethical patterns for long-range waterfowl shots

• Ported design reduces muzzle rise for better shot control and faster follow-ups

• Extended profile stabilizes pellets and minimizes flyers for consistent patterns

• Durable construction withstands wet, harsh field conditions

• Direct fit for Beretta Optima HP and A400 shotguns allows easy installation without modifications

Usage Instructions

1. Confirm the shotgun is unloaded and chamber is clear.

2. Remove any existing choke using a standard choke wrench.

3. Inspect and clean barrel threads before installation.

4. Hand-thread the Code Black Duck choke and snug with a choke wrench without over-torquing.

5. Pattern test at 20–40 yards using your preferred duck load to confirm pellet density and spread.

6. After use, clean and lightly oil the choke to maintain performance and prevent corrosion.

Patterning Tips

• Test multiple duck loads at realistic hunting distances (30–50 yards) for optimal patterning.

• Use larger waterfowl shot sizes (#2–#4) for maximum energy and coverage.

• Ensure the choke is consistently seated for repeatable, reliable performance.

Warranty and Support

Covered under the Patternmaster manufacturer warranty. Contact Patternmaster or an authorized dealer for warranty terms, fit verification, or support.

The Patternmaster Code Black Duck 20 Gauge Long Range Duck Choke delivers reliable long-range patterns, improved shot control, and field-ready durability for serious waterfowl hunters using Beretta Optima HP and A400 shotguns.