Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver

Introducing the RUC PRO MK2 Partial Upper. Bringing the highest quality parts to the market, while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable gas block on our new and improved Rainier Arms Select barrel. Pairing up with new PRO series MK2 handguard to provide shooters with a rock solid handguard that can take any abuse. Throw in your favorite charging handle and bolt carrier group and you are good to go! Specifications for Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver: Manufacturer: Rainier Arms Color: Black Condition: New Magazine Included: No Features of Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Rainier Arms Select 5.56 NATO Barrel – 10.5″ Rainier Arms Forged Upper Receiver Rainier Industries PRO Series MK2 Quad-Rail Handguard – 9.55″ Rainier Arms Low Pro Gas Block – .750″ (Non-adjustable) Rainier Industries .223/5.56 Flash Hider – 1/2×28 Weight: 3 lbs 3.4 oz Package Contents: Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver