• A+ Customer Service

  • Lowest Price Guarantee

  • 100% Authentic, Factory-Direct Items

  • Hassle Free Returns

Holosun  |  SKU: HS507K-X2-ACSS

Holosun 507K X2 Red Dot ACSS Vulcan Reticle, K Series Footprint (Modified RMSc) - HS507K-X2-ACSS

checkmark Verified Holosun Dealer

$329.99

🚚 FREE SHIPPING

💰 We price match, reach out to us

📦 SHIPS TODAY if ordered by 2PM EST M-F



Description

The Holosun 507K X2 ACSS Vulcan is an open reflex pistol red dot with a modified RMSc footprint a.k.a. K Series footprint. It is intended for use on subcompact and micro compact pistols. 

It will fit on a K series slide directly (like on the Sig P365) but will require an adapter plate to fit on RMSc slides (like the Glock 43X MOS).

The 507K X2 ACSS Vulcan features a 230 MOA Dotted Outer Ring and a 3 MOA Center Dot. The outer ring acts like an "aim assist". When the dot is centered in the window the outer ring is barely visible. But if you have difficulty "finding the dot" you will see the large outer ring. This will tell you how to adjust your grip to "find the dot".

If you are new to red dot pistol shooting or shoot in competitions the ACSS Vulcan reticle is truly a game changer.

Whether you are new to shooting pistol red dots or want a competitive edge during competitions, the 507K X2 ACSS Vulcan with it's amazing and innovative reticle will make you faster and more accurate.

Specifications

Holosun 507K X2 ACSS Vulcan Red Specifications

Physical Specifications

  • Footprint: Modified RMSc a.k.a K Series
  • Recommended Applications: Micro & Subcompact Pistols
  • Housing Material: 7075 T6 Aluminum
  • Window Size (in): 0.58Hx0.77W
  • Deck Height: 7mm
  • Dimensions (in): 1.6Lx0.98Wx0.95H
  • Housing Finish: Anodize
  • Housing Color: Black
  • Weight: 1oz
  • Magnification: 1x
  • Parallax: None
  • Eye Relief: Unlimited
  • Multi Coated Lens: Yes
  • Submersion Waterproof Rating: IP67
  • Vibration: 5000G
  • Storage Temperature: -40℃~70℃
  • Working Temperature: -30℃~60℃

Included in the Box

  • Picatinny Mount Included: no
  • Screws Included: M4x12, M3x12
  • Cover Included: no
  • Lens Cloth: yes
  • Multi Tool: yes
  • Manual: yes
  • Warranty Card: yes

Reticle Specifications

  • Reticle Size: 230 MOA Dotted Outer Ring, 3 MOA Center Dot
  • Reticle Color: Red
  • Adjustment Per Click: 1 MOA
  • W&E Travel Range: ±30 MOA

Electronic Specifications

  • Solar Failsafe: No
  • Auto Turn On: Yes
  • Auto Turn Off: Yes
  • Manual Brightness: Yes
  • Automatic Brightness: No
  • Brightness Settings: 10 Daylight, 2 Nightvision
  • Lockout Mode: Yes

Battery Specifications

  • Battery Type: CR1632
  • Battery Life: 20,000 Hours (Ring + Dot) 40,000 Hours (Dot Only) (Both Setting 6)
  • Removable Battery: Yes
  • Battery Location: Side of Housing

Product Specifications

  • Manufacturer: Holosun
  • Manufacturer Part Number: HS507K-X2-ACSS
  • UPC:
  • Country of Origin: China

Warranty

Beginning with products purchased on or after January 1, 2021, all Primary Arms branded optics, mounts and accessories are covered by a Limited Lifetime Warranty. You do not have to be the first owner or even prove you bought it from us. Manufacturer defects, materials and workmanship problems, and even normal wear and tear are covered. Open box, blemished, or refurbished items with a lifetime warranty enjoy the same warranty protection as their new counterparts. Where repair or replacement for these products is not possible, credit will be given towards a new Primary Arms product.

Fitting Guide

Holosun 507K X2 ACSS Vulcan Red Dot Fitment Information

Below is information on mounting the Holosun 507K X2 ACSS Vulcan Red Dot Sight on different pistols. Some pistols require adapter plates to make it fit. The table below is for Optics Ready pistols only. If you do not have an optics ready pistol and still want to mount a 507K X2 ACSS Vulcan to your platform, you can get a dovetail mount which replaces your rear dovetail sights. Find all our dovetail mounts here.

*Note: Clicking on the pistol name below will take your to our fitment guide which explains more about each platform.

Direct Fit For These Optics Ready Guns

Adapter Plate Required For These Optics Ready Guns

Don't see your model listed? Check out our Fitment Guides Here.


This is a direct fit for the following models:
  • Sig P322, 365X, 365XL, 365X-Macro, 365-380
  • S&W M&P 5.7 (needs these screws)
  • S&W Equalizer (needs these screws)
  • Canik TP9 Elite SC
  • Bul Armory SAS II Ultralight 
  • Mossberg 940 Tactical (Shotgun)
  • Taurus TX22 Compact
  • Taurus GX4, GX4 XL T.O.R.O
  • FN Reflex MRD

*To mount this on other pistols such as Glocks and Springfield's you will need to get an adapter plate or an optics cut slide.

Key Features
  • K Series Footprint: Confirm Pistol Fitment Here
  • 7075 T6 Aluminum Housing
  • ACSS Vulcan Reticle: 230 MOA Dotted Outer Ring, 3 MOA Center Dot
  • Up to 50,000 Hours Battery Life (Setting 6)
  • 12 Brightness Setting: 10 DL & 2 NV Compatible
  • Manual Brightness
  • Convenient Tray Battery Compartment
  • Parallax-free & Unlimited Eye Relief
  • Designed for Subcompact & Micro Compact Pistols
  • IP67 Waterproof
  • Shake Awake
  • Multilayer Reflective Glass

There is no sales tax, unless you live in GA/IL/IN/MI/NJ/NC/OH/PA/VA/MD/NV/AZ/KY/UT/FL/MN/TN/WA/AR/CO/CA

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Meta Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Customer Reviews

Based on 16 reviews
94%
(15)
6%
(1)
0%
(0)
0%
(0)
0%
(0)
B
Brad
It works great!

My opinion: This would work great on EDC's.
Reasoning: You will defiantly find the dot faster. Especially in a high stress elevated risk situation.

M
Michael Hill
Mr mike

Great

J
Jason Goins
Perfect Experience

Responsive, Helpful, Fast - would recommend to anyone.

J
John Withington
A Must Have for your EDC 🔥🔥🔥

An Awesome Dot that allows you to line up super fast 🔥🔥🔥

R
Robert Sekelsky
Holosun 507K-X2

I purchased a HS507K-X2 ACSS from Freedom Gorilla and it fit perfectly on my pistol slide without a plate, thanks to your online fitment guide.
Couldn't have been happier until range day and I lost my screw for the battery tray.
I call Freedom Gorilla and they sent me 4 screws that afternoon.
I've been shooting and loving my optic
You guys are awesome 👍
Thanks
P.S. tighten the battery tray screw when you install your red dot !

People Love Shopping at Freedom Gorilla

  • Free Shipping & Returns

    Enjoy free shipping and 30 day hassle free returns.

  • 100% Genuine Brand New Products

    All our products are brand new & genuine. Buy with confidence.

  • Meet Our Team

    We love making customers happy. Learn more about us here.

  • Over 2,000 5 Star Reviews

    Buy with confidence. Read 2,000+ of recent 5 star reviews here.