+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight Up to 54% Off w/ Free S&H — 3 models

USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO1, Condition Parts Only/Salvage, Defective
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO1, Condition Parts Only/Salvage, Defective
1 of 6 images
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO1, Condition Parts Only/Salvage, Defective
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
2 of 6 images
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
3 of 6 images
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
4 of 6 images
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
5 of 6 images
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox
6 of 6 images
USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox

Tap Tap to Zoom

Questions & Answers
I own an Sig P320 M18 and would like to know if this sight set fits this particular Sig P320. Thank you for your help. Manufacturer Answer

Unfortunately it will not work on that pistol.

by Hi Viz Sights, Manufacturer, December 4, 2024
View All Q&A You Have a Question? Ask!
Customer Reviews
Most Recent Reviews
Hi Viz H3 sights for Sig P365 by Steve, Verified Owner, August 17, 2024
Had high hopes for this sight, it did not turn out that way. Acquiring the exact sight alignment is required and can’t be done quickly. Also under low light conditions it is hard to see sights. I’m going back to a 3 dot system. This turned out to be ...
Read More...
Most Recent Reviews
Fastdot for Sig Sauer P320 Compact by GB, Verified Owner, June 26, 2024
The Fastdot is a welcome alternative to conventional sights and Red Dots. Out of the package, the sights were too tight and required careful honing with a knife sharpening stone to shave small amounts of material off the base. I originally started ...
Read More...
Read All 2 Reviews
In Stock
3 Models Available
Condition
All
Condition Details
All
Condition Quality
All
Search

Product Info for HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight

The HIVIZ FastDot H3 Tritium/Fiber-Optic Sight Set for SIG P320 is the newest and most innovative sight on the market, designed for those who need a reliable sight that is bright, easy to acquire, and fast when you need it most. This unique, low-profile single-dot sight system combines fiber-optic and tritium for 24-hour illumination. Leave behind the batteries and the bulk; stay on target with the FastDot H3!image

Specifications for HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight:

Manufacturer: HiViz
Gun Make: SIG Sauer
Gun Model: SIG Sauer P320
Color: Black
Front Sight Color: Green
Rear Sight Color: Green
Fabric/Material: Steel
Front Material: Steel
Gun Type: Pistol
Illumination Type: Fiber Optics
Illumination Color: Green

Features of HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight:

  • LiteWave H3 sight set
  • Brightest, fully encapsulated Tritium
  • 24-hour illumination
  • Mounts like traditional sight sets
  • Fits standard holsters
  • LitePipes: Red front / Green rear
  • Patented technology

Package Contents:

  • HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight

HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight Orderable Models

List of Orderable Models

  • USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO1, Condition Parts Only/Salvage, Defective , MPN: SG320FD21-EDEMO1 , Code: HZ-AP-HVSS4-SG320FD21-EDEMO-DF-F
  • USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO2, Used, Condition Like New, Inspect and Rebox , MPN: SG320FD21-EDEMO2 , Code: HZ-AP-HVSS4-SG320FD21-EDEMO-RE-A
  • HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21 , MPN: SG320FD21 , UPC: 613485590425 , Code: HZ-AP-HVSS4-SG320FD21

HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight Unavailable & Discontinued Models

List of Unorderable Models

  • USED HiViz Fastdot H3 Sig P320 9 mm w/Fixed Sights Only Sight, Black, SG320FD21, EDEMO3, Excellent, Inspect and Rebox , MPN: SG320FD21-EDEMO3 , Code: HZ-AP-HVSS4-SG320FD21-EDEMO-RE-B
Compare (0)
1 item has been added
Add at least two items to compare
Last updated 2026-08-18 UTC.