American Tactical

ATI Milsport ATIG15MS300ML7B Pistol, .300 AAC Blackout, 8.5" Barrel, 30+1, Semi-Auto, Optics-Ready, Threaded Barrel

American Tactical ATI Milsport ATIG15MS300ML7B Pistol, .300 AAC Blackout, 8.5" Barrel, 30+1, Semi-Auto, Optics-Ready, Threaded Barrel - Complete Rifle - view 1
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American Tactical

Overview

The American Tactical ATI Milsport ATIG15MS300ML7B Pistol, .300 AAC Blackout, 8.5" Barrel, 30+1, Semi-Auto, Optics-Ready, Threaded Barrel is a complete rifle. Compare prices from multiple merchants and find the best deal.

Specifications

MPNATIG15MS300ML7B
PlatformAR-15
Caliber300 Blackout
ColorBlack
Gas System LengthPistol
Thread Pitch5/8x24
Action TypeSemi-Auto
Twist Rate1:7
Barrel Length8.5
ComplianceStandard

Available Merchants(3)

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Brownells logo
Brownells
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$400
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Classic Firearms
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$400
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KY Gun Company logo
KY Gun Company
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$439
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Price and stock

The American Tactical ATI Milsport ATIG15MS300ML7B Pistol, .300 AAC Blackout, 8.5" Barrel, 30+1, Semi-Auto, Optics-Ready, Threaded Barrel was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $399.95 at Brownells for when it comes back.

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