ATI AR-15 Milsport RIA P3P .300 BLK PHOS 16″ Rifle


Caliber- .300 Blackout

Capacity- 30 + 1 Rounds

Barrel Length- 16″

Twist Rate- 1:8″

Rail Type- MLOK / Picatinny

Sights- Optic Ready

6 in stock

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The ATI 300 Blackout Mil-Sport Rifle is a fantastic AR-15 at an affordable price! This is a versatile multi-purpose rifle designed to get you on the range or in the field and working with the most popular rifle platform in the country! It’s a light weight durable AR with forged aluminum receivers and a 13″ free float KeyMod. The optics ready upper is ready for the scope, red dot or precision sights of your choice. It has a collapsible stock and comes with a 30 round polymer magazine. If you’re looking for a modern musket, your next sporting rifle, or a combo that can do both, then you need the ATI MIL-SPORT Rifle!

Additional information




.300 AAC Blackout


30 Rounds

Firearm Type