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Buy one, get one free on all hats. Ends 7/31/25.
  1. Home
  2. Invector-Plus Choke Tubes
  3. 20 ga Invector-Plus Diana Grade Extended
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  4. Choke Tubes
  5. Invector-Plus Choke Tubes
  6. 20 ga Invector-Plus Diana Grade Extended
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20 Gauge Invector-Plus Diana™ Grade Extended Tubes
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20 Gauge Invector-Plus Diana™ Grade Extended Tubes
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20 Gauge Invector-Plus Diana™ Grade Extended Tubes

20 Gauge Invector-Plus Diana™ Grade Extended Tubes

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Titanium nitride for durability and hardness. Optimal patterns for shotguns designated for 20 gauge Invector Plus. These tubes are a match for the famous Browning "Diana" name. A complete selection from Skeet to Full.

Free Ground Shipping on all orders over $99.

Buy one, get one free on all hats.
Buy one, get one free on all hats.

Overview

Overview

The Gold Standard for choke tubes. The longer choke taper inside Diana Grade Invector-Plus choke tubes improves pattern performance. These tubes are for use with back-bored barrels on 20 gauge shotguns. They offer a superior construction from stainless steel bar stock that is heat treated prior to machining. The use of a titanium nitride surface with 72HRC hardness provides excellent wear and reduced plastic buildup, and they look beautiful on the muzzle end of your Browning Citori.

  • Longer choke taper inside Invector-Plus choke tubes for use with back-bored barrels on 20 gauge shotguns
  • Stainless steel barstock is heat treated prior to machining
  • Titanium nitride surface 72HRC hardness for excellent wear and reduced plastic buildup
  • Absolutely perfect concentricity for superior patterning
  • Extends beyond the barrel for easy removal and installation

Invector-Plus choke tubes fit only Browning shotguns designed for Invector-Plus and are NOT for use in shotguns showing Standard Invector or Invector-DS on the barrel(s).

Features

Features

Browning Invector-Plus Choke Tubes
Browning Invector-Plus Choke Tubes
Click here to learn more about Browning choke tubes.
Type
  • DIANA GRADE L MOD 20
  • DIANA GRADE FULL 20
  • DIANA GRADE IMP MOD 20
  • DIANA GRADE MOD 20
  • DIANA GRADE IMP CYL 20
  • DIANA GRADE SKEET 20
Item Number 1131033 UPC 023614202226
Material 17-4 Stainless Steel Color Titanium Nitride
Finish Titanium Nitride Choke Gauge 20
Choke Pattern Percentage 30%-60% Length 2.75"
Weight 1.4 oz MSRP $84.99
Item Number 1131053 UPC 023614202257
Material 17-4 Stainless Steel Color Titanium Nitride
Finish Titanium Nitride Choke Gauge 20
Choke Pattern Percentage 55%-85% Length 2.75"
Weight 1.4 oz MSRP $84.99
Item Number 1131063 UPC 023614202240
Material 17-4 Stainless Steel Color Titanium Nitride
Finish Titanium Nitride Choke Gauge 20
Choke Pattern Percentage 45%-75% Choke Notches II
Length 2.75" Weight 1.4 oz
MSRP $84.99
Item Number 1131073 UPC 023614202233
Material 17-4 Stainless Steel Color Titanium Nitride
Finish Titanium Nitride Choke Gauge 20
Choke Pattern Percentage 35%-65% Choke Notches III
Length 2.75" Weight 1.4 oz
MSRP $84.99
Item Number 1131083 UPC 023614202219
Material 17-4 Stainless Steel Color Titanium Nitride
Finish Titanium Nitride Choke Gauge 20
Choke Pattern Percentage 25%-55% Choke Notches IIII
Length 2.75" Bases Screws 6.0
Weight 1.4 oz MSRP $84.99
Item Number 1131093 UPC 023614202202
Material 17-4 Stainless Steel Color Titanium Nitride
Finish Titanium Nitride Choke Gauge 20
Choke Pattern Percentage 20%-45% Length 2.75"
Weight 1.4 oz MSRP $84.99
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