---
title: "Rock Island Armory TAC Ultra .45 ACP 8rd Pistol"
description: "Full-size .45 ACP semi-automatic pistol with an 8rd capacity, 5-inch button-rifled barrel, G10 grips, Novak front sight, and LPA rear sight."
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RCK-57166

![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/281518/main.jpg?v=1744807448)

For illustration purposes only, this image may not be an exact representation of the product.

# ROCK ISLAND TAC ULTRA 45 ACP 5.05" 8rd - Black

The Rock Island Armory M1911 A1 Tac Ultra FS is a full-size semi-automatic .45 ACP pistol with a 5-inch button-rifled barrel, steel frame, Novak front and LPA rear sights, black and gray G10 grips, a skeletonized adjustable trigger, and front and rear slide serrations.

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Item #

281518

Style

RCK-57166

UPC

850071011005

Condition

New

Manufacturer

[Rock Island Armory](https://www.kygunco.com/brand/rock-island)

Model

TAC ULTRA

Finish

Black

Round Capacity

8

Caliber

45 ACP

Action

Semi-Auto

Barrel Length

5.05 in

The Rock Island Armory M1911 A1 Tac Ultra FS is a full-size, semi-automatic pistol chambered in .45 ACP, designed for both tactical performance and everyday reliability. Part of the RIA-USA series, this model is manufactured in Cedar City, Utah, reflecting Rock Island's commitment to American craftsmanship. 

This pistol is engineered for precision and durability, featuring a robust steel frame and a smooth trigger pull. Its ergonomic design and reliable performance make it suitable for both professional use and personal defense

- Sights: Novak front sight and LPA rear sight
- Trigger Pull: 4–6 lbs
- Features black/gray G10 tactical grips that offer a secure and comfortable hold, enhancing control during operation.
- Incorporates a skeletonized trigger with an adjustable overtravel stop, allowing shooters to fine-tune the trigger pull to their preference.
- The slide is crafted from 4140 ordnance steel with aggressive front and rear serrations for improved grip. The 5-inch button-rifled barrel is supported by a full-length guide rod and full dust cover, contributing to the pistol's durability and performance.

These features make the Rock Island Armory M1911 A1 Tac Ultra FS a robust and versatile choice for both personal protection and recreational shooting.

Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry.

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WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

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