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Holosun Holosun 509 Red Dot Sight Mount — 2 models

Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Holosun 509 Red Dot Sight Mount, 0.82in, Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun 509 Red Dot Sight Mount, 1.63in, Fits Picatinny, Black, 509MNT163PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
1 of 14 images
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
2 of 14 images
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
3 of 14 images
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
4 of 14 images
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
5 of 14 images
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
6 of 14 images
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
7 of 14 images
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
8 of 14 images
Holosun Technologies 509 Adapter, Holosun 509, Low Mount, Fits Picatinny, Black, 509MNT-0.82-PIC
Holosun Holosun 509 Red Dot Sight Mount, 0.82in, Picatinny, Black, 509MNT-0.82-PIC
9 of 14 images
Holosun Holosun 509 Red Dot Sight Mount, 0.82in, Picatinny, Black, 509MNT-0.82-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
10 of 14 images
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
11 of 14 images
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
12 of 14 images
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
13 of 14 images
Holosun Technologies 509 Adapter, Lower 1/3 Mount, Fits Picatinny, Black, 509MNT-1.63-PIC
Holosun 509 Red Dot Sight Mount, 1.63in, Fits Picatinny, Black, 509MNT163PIC
14 of 14 images
Holosun 509 Red Dot Sight Mount, 1.63in, Fits Picatinny, Black, 509MNT163PIC

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Questions & Answers
Customer Reviews
Helpful Positive Review
lower 1/3 mount by lmao, April 15, 2026
Product title/description clearly states lower 1/3 mount. Don’t listen to other reviews stating otherwise. Great product overall�
2/2 found this helpful
Most Recent Reviews
Mount not as pictured by Dunnjun, Verified Owner, October 30, 2025
2nd time that I’ve tried to order this Holosun 509 flat mount, only to receive a lower 1/3 mount. Back it goes
0/3 found this helpful
Read All 2 Reviews
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Product Info for Holosun Holosun 509 Red Dot Sight Mount

The Holosun 509 series and AEMS-MACRO providing a natural upright shooting position for rifles, PCCs, and shotguns.image

WARNING: California`s Proposition 65

Specifications for Holosun Holosun 509 Red Dot Sight Mount:

Manufacturer: Holosun
Color: Black
Finish: Anodized
Gun Type: Shotgun, Rifle
Fabric/Material: Aluminium
Co-Witness: Lower 1/3
Red Dot Sights-Footprint: Holosun 509T
Attachment Type: Picatinny
Optic Cut: Not Applicable
Condition: New
Gun Rail: Picatinny

Package Contents:

  • Holosun 509 Red Dot Sight Mount

Holosun Holosun 509 Red Dot Sight Mount Orderable Models

List of Orderable Models

  • Holosun 509 Red Dot Sight Mount, 1.63in, Fits Picatinny, Black, 509MNT163PIC , MPN: 509MNT-1.63-PIC , UPC: 810047071082 , Code: 28Y-RMT-HOL509-509MNT163PIC
  • Holosun Holosun 509 Red Dot Sight Mount, 0.82in, Picatinny, Black, 509MNT-0.82-PIC , MPN: 509MNT-0.82-PIC , UPC: 810047071075 , Code: 28Y-RMT-HOL509-509MNT-0-82-PIC

Holosun Holosun 509 Red Dot Sight Mount Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Holosun Technologies 509 Adapter, Black, Lower 1/3 Mount, Fits Picatinny 509MNT-1.63-PIC , MPN: 509MNT-1.63-PIC-EDEMO , Code: 28Y-RMT-HOL509-EDEMO-IN-B
  • USED, Holosun Technologies 509 Adapter, Black, Lower 1/3 Mount, Fits Picatinny 509MNT-1.63-PIC , MPN: 509MNT-1.63-PIC-EDEMO , Code: 28Y-RMT-HOL509-EDEMO-IN-C
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Last updated 2026-10-25 UTC.