Our UM Series is built with Extreme Accuracy as its primary focus. The backbone of every Rainier UltraMatch Upper starts off with a barrel made from a world renowned SHILEN blank and the ultra precise Rainier Billet Upper MOD 2. Look at the list of components and see for yourself. This upper is the best money can buy. All our custom uppers come complete with a limited lifetime warranty on all parts & workmanship. All NFA Rules Apply.
- Rainier Arms 10.5" UltraMatch Barrel
- 1:8 Twist
- Ratchet Rifling
- Bead Blasted Finish
- Rainier Arms UltraMatch Billet Upper MOD 2
- Rainier Arms Switch M-Lock Rail-9"
- Pinned Low Profile Gas Block
- Match NIB Full Auto BCG
- Rainier Arms Raptor Ambidextrous Billet Charging Handle
- Rainier Arms XTC 2.0 Compensator Pinned
ALL NFA Rules Apply
|Manufacturer||Rainier Arms, LLC|