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Questions & Answers
well this fit that JTS AK-12 Expert Answer

The JTS MK-12 uses Rem Chokes. The Briley Mobil Choke Helix Choke Tube will not work in that shotgun. The chokes at the link below should work.
https://www.opticsplanet.com/briley-remington-remchoke-helix-choke-tube.html

by Hunter, Gear Expert, November 3, 2022
what is the exit diam on this choke Manufacturer Answer

IC is .010" tighter than your open cylinder barrel.

by Briley Manufacturing, Manufacturer, July 11, 2022
Customer Reviews
Most Recent Reviews
Excellent Quality by 12345, December 5, 2020
Have been looking for a extended choke for my Franchi for awhile, ordered this from opticsplanet. Great fit and design works perfect in a franchi intensity 3.5 in auto. Price on optics planet was better than anywhere else i had found and i did alot o...
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Product Info for Briley Mobil Choke Helix Choke Tube

The Briley Helix Lead Alloy Frame Choke Tube is an all lead choke tube that features a longer helix section, providing greater holding power in both soft lead and lead. Lead is tightly bound within the choke, limiting any expansion. Lead is kept under control, either by chokeing up more often or by using a longer groove length. When using lead, choke tubes should be re-focused frequently to assure the best possible pattern. Briley's Helix Lead Alloy Frame Choke Tubes have undergone rigorous quality assurance testing to ensure that they meet Briley's strict standards for performance. Lead allocators feature a unique taper inside the choke that is parallel to the lead, allowing the shooter to take lighter loads. After the initial fit-out, the Helix Lead Alloy Frame chokes should be re-ooked as needed to achieve the optimum choke-holding section.image

Specifications for Briley Mobil Choke Helix Choke Tube:

Manufacturer: Briley
Gauge: 12
Choke Tube System: Mobil Choke
Condition: New

Features of Briley Mobil Choke Helix Choke Tube

  • Helical Porting
  • Long parallel section ideal for lead or steel

Package Contents:

  • Briley Mobil Choke Helix Choke Tube

Briley Mobil Choke Helix Choke Tube Orderable Models

List of Orderable Models

  • Briley Mobil Choke Helix Choke, 12 Gauge Modified, BERH12MO , MPN: BERH12MO , UPC: 724436151982 , Code: XF-CB-BRI151944-BERH12MO
  • Briley Mobil Choke Helix Choke, 12 Gauge Light Full, BERH12LF , MPN: BERH12LF , UPC: 724436152002 , Code: XF-CB-BRI151944-BERH12LF
  • Briley Mobil Choke Helix Choke, 12 Gauge Full, BERH12FU , MPN: BERH12FU , UPC: 724436152019 , Code: XF-CB-BRI151944-BERH12FU
  • Briley Mobil Choke Helix Choke, 12 Gauge Cylinder, BERH12CY , MPN: BERH12CY , UPC: 724436151944 , Code: XF-CB-BRI151944-BERH12CY
  • Briley Mobil Choke Helix Choke, 12 Gauge Improved Modified, BERH12IM , MPN: BERH12IM , UPC: 724436151999 , Code: XF-CB-BRI151944-BERH12IM
  • Briley Mobil Choke Helix Hunter 12 Gauge Tube, Stoeger, Long Range, Black, BERHHL , MPN: BERHHL , UPC: 724436502425 , Code: XF-CB-BRI151944-BERHHL
  • Briley Mobil Choke Helix Choke, 12 Gauge Extra Full, BERH12XF , MPN: BERH12XF , UPC: 724436152026 , Code: XF-CB-BRI151944-BERH12XF
  • Briley Mobil Choke Helix Hunter 12 Gauge Tube, Stoeger, Mid Range, Black, BERHHM , MPN: BERHHM , UPC: 724436502418 , Code: XF-CB-BRI151944-BERHHM
  • Briley Mobil Choke Helix Hunter 12 Gauge Tube, Stoeger, Short Range, Black, BERHHS , MPN: BERHHS , UPC: 724436502401 , Code: XF-CB-BRI151944-BERHHS
  • Briley Mobil Choke Helix Choke, 12 Gauge Improved Cylinder, BERH12IC , MPN: BERH12IC , UPC: 724436151968 , Code: XF-CB-BRI151944-BERH12IC
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Improved Modified, BERHB12IM , MPN: BERHB12IM , UPC: 724436152712 , Code: XF-CB-BRI151944-BERHB12IM
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Modified, BERHB12MO , MPN: BERHB12MO , UPC: 724436152705 , Code: XF-CB-BRI151944-BERHB12MO
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Extra Full, BERHB12XF , MPN: BERHB12XF , UPC: 724436152743 , Code: XF-CB-BRI151944-BERHB12XF
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Cylinder, BERHB12CY , MPN: BERHB12CY , UPC: 724436152668 , Code: XF-CB-BRI151944-BERHB12CY
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Skeet, BERHB12SK , MPN: BERHB12SK , UPC: 724436152675 , Code: XF-CB-BRI151944-BERHB12SK
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Light Full, BERHB12LF , MPN: BERHB12LF , UPC: 724436152729 , Code: XF-CB-BRI151944-BERHB12LF
  • Briley Mobil Choke Helix Choke, 12 Gauge Light Modified, BERH12LM , MPN: BERH12LM , UPC: 724436151975 , Code: XF-CB-BRI151944-BERH12LM
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Full, BERHB12FU , MPN: BERHB12FU , UPC: 724436152736 , Code: XF-CB-BRI151944-BERHB12FU
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Improved Cylinder, BERHB12IC , MPN: BERHB12IC , UPC: 724436151968 , Code: XF-CB-BRI151944-BERHB12IC

Briley Mobil Choke Helix Choke Tube Unavailable & Discontinued Models

List of Unorderable Models

  • Briley Mobil Choke Helix Choke, 12 Gauge Skeet, BERH12SK , MPN: BERH12SK , UPC: 724436151951 , Code: XF-CB-BRI151944-BERH12SK
  • Briley Mobil Choke Helix Choke Black Oxide, 12 Gauge Light Modified, BERHB12LM , MPN: BERHB12LM , UPC: 724436152699 , Code: XF-CB-BRI151944-BERHB12LM
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Last updated 2026-07-24 UTC.