# TacFire AR-300 Blackout 10.5" DIY Pistol Kit - Precision Build

**Brand:** TacFire
**Category:** AR Style Rifles
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 10.5"
- **UPC:** 811261029040
- **SKU:** UCEHWibL6

## Description

The TacFire AR-300 is an unassembled pistol build kit in .300 AAC Blackout with a 10.5-inch barrel. It's built for AR-style platforms and ships with all the components needed to assemble a complete upper. The black Parkerized finish and steel/aluminum construction hold up to regular use.

### Key Specifications
- **Manufacturer**: TacFire
- **Model**: AR-300 Unassembled Pistol Build Kit
- **Caliber**: .300 AAC Blackout
- **Barrel Length**: 10.5 inches
- **Finish**: Black Parkerized
- **Condition**: New in Box
- **Material**: Steel/Aluminum
- **Type**: Uppers
- **Manufacturer Part Number**: PK300LPK10
- **UPC**: 811261029040

The .300 Blackout caliber works with both subsonic and supersonic loads, making it practical for suppressed use as well as standard shooting. At 10.5 inches the barrel keeps the package short without giving up too much velocity. The kit format lets you put it together yourself, useful for people who want to understand the build or tailor the assembly to a specific lower.

## What Customers Say

*AI-generated insights from customer reviews*

Feedback on the TacFire AR-300 Blackout 10.5" kit is generally positive with a few consistent caveats. Builders like the customization angle. Assembling the kit lets you fit components to a specific lower and make adjustments along the way. The 10.5" barrel gets good marks for balancing maneuverability with .300 Blackout performance.

Most users find the included components reliable and well-made for the price. The kit is frequently compared favorably to buying a pre-assembled pistol on cost grounds, especially when the builder already has a lower. That said, first-time builders flag a real learning curve, and several recommend having instructional resources on hand before starting.

The recurring negatives are quality control inconsistencies and occasional missing parts on delivery. Compatibility with non-standard lowers or certain accessories also comes up. These issues don't dominate the conversation, but they appear often enough that buyers should inspect the kit thoroughly on arrival.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Grabagun Com | $339.99 |

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*Data from [GunsNation](https://gunsnation.com)*