ATI Mil-Sport 5.56 NATO Semi-Auto Rifle, 16" Barrel, 30+1 Cap
The ATI Mil-Sport 5.56 NATO Semi-Auto Rifle, 16" Barrel, 30+1 Cap is a 5.56 NATO semi-automatic rifles from American Tactical Imports. It is available from 2 vendors at $554.99 to $558.08.

Product Information
Name: ATI Mil-Sport 5.56 NATO Semi-Auto Rifle, 16" Barrel, 30+1 Cap
Brand: American Tactical Imports
Category: Semi-Automatic Rifles
Caliber: 5.56 NATO
Barrel Length: 16"
Capacity: 30 rounds
UPC: 819644025313
SKU: UCEQg2ncP
Description
The ATI Mil-Sport is a semi-automatic rifle chambered in 5.56x45mm NATO with a 16-inch barrel, 30+1 capacity, and black finish. At 8.7 lbs, it's heavier than many AR-15 options in its class.
Key Specifications
- UPC: 819644025313
- Caliber: 5.56x45mm NATO
- Action: Semi-Automatic
- Capacity: 30+1 Rounds
- Barrel Length: 16 inches
- Weight: 8.7 lbs
- Finish: Black
Features
The rifle ships with a 6-position Rogers Super-Stoc adjustable stock, which lets you set length of pull for different shooters or shooting positions. The barrel has a 1:8" twist rate, which stabilizes a wide range of bullet weights from lighter 55-grain loads up to heavier 75-77 grain projectiles. No iron sights are included - the rifle is optic ready with Picatinny rail.
Usage
Positioned as a budget-accessible AR-15 for sport shooting, home defense, and general range use. The 5.56 NATO chambering and 30-round capacity are standard for the platform. The adjustable stock is a practical feature for shared use among shooters of different sizes. Buyers who want a functional AR-15 without premium pricing will find the Mil-Sport covers the basics.
Complete Specifications
| Caliber | 5.56 NATO |
| Model | RIA Mil Sport |
| Capacity | 30 rounds |
| Magazines included | 1 |
| Barrel length | 16" |
| Weight | 139.2 oz |
| Action | Semi Auto |
| Finish | Black Phosphate |
| Color | Black |
| Stock material | Synthetic |
| Sights | None, Picatinny Rail |
| Safety | 2 Position Thumb Safety |
Frequently Asked Questions
What caliber is the ATI Mil-Sport?
The ATI Mil-Sport is chambered in 5.56x45mm NATO.
What is the barrel length of the ATI Mil-Sport?
It has a 16-inch barrel.
How many rounds does the ATI Mil-Sport hold?
It has a 30+1 capacity.
Who makes the Mil-Sport rifle?
It is made by American Tactical Imports (ATI).
What type of firearm is the ATI Mil-Sport?
It is a semi-automatic rifle in the AR-15 pattern.
Is the ATI Mil-Sport optic-ready?
Yes. The rifle ships without iron sights and includes a Picatinny rail for mounting your own optic.
Where can I buy the ATI Mil-Sport?
Compare current vendor offers on this page.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
ATI Mil-Sport owners tend to weigh the price against the feature set, and most find it acceptable for the cost.
The price point is the most consistently cited positive - buyers looking for an entry-level AR-15 appreciate getting a working rifle without significant investment. The adjustable stock and 5.56 NATO chambering are standard features that meet basic expectations. Reliability for casual range use is generally reported as adequate.
The build quality compared to mid-range and premium AR-15s comes up regularly as a criticism - it shows in fit and finish for buyers who have handled higher-tier options. Some accuracy concerns out of the box appear in discussions, along with reports that certain components benefit from upgrades over time. ATI customer service gets mixed reviews. For buyers specifically looking for an affordable starting point who understand the trade-offs, the Mil-Sport fits that niche reasonably well.
Where to Buy - 2 Offers Available
Price Range: $554.99 - $558.08
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Guns Com | $554.99 | New | Buy Now |
| Gunbuyer Com | $558.08 | New | Buy Now |




















