The Gorilla Machining Romeo AR-15 .300 Black Out AAC 16” Pistol upper is designed as a fully Mil-spec compliant pistol series upper for every level of shooter. This pistol upper has the same level of quality and performance that you have come to expect from all of Gorilla Machining products. It has been configured at a price range that is affordable to shooters of any budget without sacrificing features and quality.
Each component is manufactured to Mil-spec standards.
NOTE: Some states and areas, like California, New York, New Jersey, Connecticut, Massachusetts require certain options and modifications.Please email us [email protected] for modifications price varies on each modification. Please check with your local FFL if you have questions regarding legality as we cannot be responsible for laws in every state or county.
NOTE:This item is an NFA (less than 16" overall barrel length) upper when used on a rifle lower.
- GM AR-15 16" Pistol Length BR 1:8 Twist Barrel 4150 CMV SOCOM CUT
- GM AR-15 Pistol Length Gas System
- GM AR-15 Upper Receiver Fully MIL-STD M4A4
- GM AR-15 .750 Low Profile Gas Block
- GM AR-15 Gen 3 M-LOK 15" Free Float Hand Gaurd
- GM AR-15 T6 6061 Standard Charging Handle
- GM AR-15 Stainless Steel Gas Tube
- GM AR-15 Forward Assist and Dust Cover
- GM AR-15 Sling Swivel
- NO FLASH HIDER
- NO BCG