Rock Island Armory TAC Ultra FS .45 ACP 5in Parkerized Optic Ready
The Rock Island Armory TAC Ultra FS .45 ACP 5in Parkerized Optic Ready is a .45 ACP semi-automatic handguns from Rock Island Armory. It is available from 7 vendors at $661.99 to $698.99.

Product Information
Name: Rock Island Armory TAC Ultra FS .45 ACP 5in Parkerized Optic Ready
Brand: Rock Island Armory
Category: Semi-Automatic Handguns
Caliber: .45 ACP
Barrel Length: 5"
UPC: 850071011043
SKU: UCExtDKYl
Description
The Rock Island Armory TAC Ultra FS is a full-size 1911-style single-action pistol chambered in .45 ACP with a 5-inch barrel. It has an optic-ready AOS cut on the slide and a Parkerized black finish. Capacity is 8+1 rounds.
Key Specifications
- Brand: Rock Island Armory
- Model: TAC Ultra FS (57166AOS)
- Caliber: .45 ACP
- Action: Single Action
- Barrel Length: 5 inches
- Capacity: 8+1
- Color/Finish: Parkerized Black
Detailed Features
- Optic-ready AOS slide cut for direct red dot mounting
- 5-inch barrel in a full-size Government-length frame
- Parkerized black finish for corrosion and wear resistance
- Single-action 1911-platform trigger
- Single-stack 8-round magazine capacity
Complete Specifications
| Caliber | .45 ACP |
| Model | TAC Ultra FS |
| Barrel length | 5" |
| Action | Single Action |
| Color | Black |
What Reviewers Say
Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.
This has an incredibly good trigger 3.33 pounds that's really nice it's very comfortable it breaks as all 1911 triggers do very clean very comfortable to shoot.
This thing is heavy it's 48.93 pounds it weighs almost as much as my Ruger Super Redhawk and 44 Magnum.
I would feel comfortable using this for self-defense or Woods defense because I know it's going to work every time I pull the trigger.
Some of the components won't be compatible you can't use standard 1911 grips some of the internals on the frame are going to be a little bit different.
If you're a 1911 person and you want to use one for defense but you're worried about capacity this is your gun.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
Rock Island Armory TAC Ultra FS owners are largely attracted by the combination of a full-size Government-length 1911 in .45 ACP at a price point below most domestic competitors. The Parkerized finish gets consistent marks for durability; owners report it handling range use and minor environmental exposure without early wear.
The AOS optic-ready cut is a practical addition that newer buyers appreciate, though some note that optic compatibility depends on the specific mounting footprint and a small number report needing a riser plate to align height-over-bore correctly.
The single-action trigger on the TAC Ultra FS draws measured reviews. Many owners find it acceptable for a production pistol and shoot it without modification. A consistent minority recommends a trigger job or spring kit upgrade early on, citing inconsistent pull weight between individual units.
Where to Buy - 7 Offers Available
Price Range: $661.99 - $698.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Gritrsports Com | $661.99 | New | Buy Now |
| Kygunco Com | $671.66 | New | Buy Now |
| Classicfirearms Com | $698 | New | Buy Now |
| Grabagun Com | $698 | New | Buy Now |
| Shootingsurplus Com | $698 | New | Buy Now |
| Palmettostatearmory Com | $698.99 | New | Buy Now |
| Centerfiresystems Com | $698.99 | New | Buy Now |





















