# Pac-Lite .22LR Pistol - 4.5" Black, Threaded Barrel & Optics Ready

**Brand:** Ruger
**Category:** Parts
**Caliber:** .22 LR

## Specifications

- **Caliber:** .22 LR
- **Barrel Length:** 4.5"
- **UPC:** 856365001677
- **SKU:** UCF4lAH2j

## Description

The Tactical Solutions Pac-Lite is a .22 LR upper receiver built from lightweight anodized aluminum. It fits Ruger Mark I, II, III, and 22/45 frames, giving owners of those pistols a drop-in upgrade path. The 4.5-inch black anodized barrel is threaded 1/2"x28 and ships with a thread protector. It's drilled and tapped for scope bases, so mounting optics is straightforward.

### Key Specifications
- **Manufacturer**: Tactical Solutions
- **Model**: Pac-Lite
- **Caliber**: .22 LR
- **Barrel Length**: 4.5 inches
- **Finish**: Black anodized aluminum
- **Condition**: New in Box
- **Fitment**: Compatible with Mark I, II, III, and 22/45 models
- **Threaded Barrel**: 1/2"x28
- **Included Accessories**: Thread Protector (End Cap)

The aluminum construction keeps weight low compared to a standard Mark-series upper. The threaded muzzle makes it simple to run a suppressor, and the drilled-and-tapped top rail means red dot or scope installation needs no additional machining. Grip and lower remain stock from whatever host pistol the shooter already has.

## Frequently Asked Questions

**Q: What caliber is the Pac-Lite?**

A: The Pac-Lite is chambered in .22 LR.

**Q: What is the barrel length of the Pac-Lite?**

A: It has a 4.5-inch barrel.

**Q: What type of firearm is the Pac-Lite?**

A: The Pac-Lite is a .22 LR upper receiver for Ruger Mark I, II, III, and 22/45 pistols.

**Q: Is the Pac-Lite threaded?**

A: Yes, the barrel is threaded 1/2"x28 and ships with a thread protector.

**Q: Is the Pac-Lite optic-ready?**

A: Yes, it is drilled and tapped for scope bases.

**Q: Where can I buy the Pac-Lite?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> It's a nice quiet one with a great design tactical solutions really hit it out of the park here.
>
> — [Top Shot Dustin ](https://www.youtube.com/watch?v=FNhuveevbVI&t=50s)

> These are the mono cores easier to manufacture easier to clean easier to maintain.
>
> — [Top Shot Dustin ](https://www.youtube.com/watch?v=FNhuveevbVI&t=264s)

> You get a little more first round pop because there's just more volume in there you know more oxygen to ignite.
>
> — [Top Shot Dustin ](https://www.youtube.com/watch?v=FNhuveevbVI&t=271s)

> It is extremely quiet and pretty cool if you ask me.
>
> — [Top Shot Dustin ](https://www.youtube.com/watch?v=FNhuveevbVI&t=374s)

## What Customers Say

*AI-generated insights from customer reviews*

Pac-Lite owners consistently point to weight savings as the main reason they bought it - the aluminum upper is noticeably lighter than the factory Ruger steel, which changes the balance of the host pistol in ways most shooters like. Accuracy gets good marks; tight groups at range distances are the norm, and the threaded barrel makes adding a suppressor a direct swap.

The optics-ready top is a real selling point for shooters who want to run a red dot without gunsmithing. .22 LR keeps the ammo bill low, which encourages more trigger time.

On the negative side, some users raise durability questions - a few report parts wearing faster than expected under heavy use, and the aluminum finish can show wear more visibly than steel. Trigger feel draws occasional criticism; it gets the job done but some shooters find it less crisp than they'd prefer. Magazine capacity is limited by the .22 LR host platform, which some note as a constraint in competitive use.

Overall, the Pac-Lite is well regarded among Ruger Mark-series owners who want a lighter, suppressor-ready, optics-compatible upper without major modifications to their existing pistol.

## Pricing

**6 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $250.10 |
| Gunbuyer Com | $261.11 |
| Impactguns Com | $276.89 |
| Buds Gun Shop | $289.00 |
| Grabagun Com | $289.00 |
| Palmettostatearmory Com | $312.99 |

## Similar Products

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- [Pac-Lite .22LR Tactical Fluted Barrel OD Green 6" Lightweight](https://gunsnation.com/p/pac-lite-22lr-tactical-fluted-barrel-od-green-6-lightweight/UCF4lAH3R)
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*Data from [GunsNation](https://gunsnation.com)*