Rainier Arms RUC Pro MK2 5.56 NATO Partial Upper Receiver
AR-15 Partial Upper Receiver
In stock
Rainier Arms RUC Pro MK2 5.56 NATO Partial Upper Receiver
$600.00 - $650.00
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!
Upper Build:
- Rainier Arms Select 5.56 NATO Barrel
- 10.5"
- 12.5"
- Rainier Arms Forged Upper Receiver
- Rainier Industries PRO Series MK2 Quad-Rail Handguard
- 10.5": 9.55"
- 12.5": 11.75"
- Rainier Arms Low Pro Gas Block - .750" (Non-adjustable) (Gasblock pinned)
- Rainier Industries .223/5.56 Flash Hider - 1/2x28
- Weight:
- 10.5": 3 lbs 3.4 oz
- 12.5": 3 lbs 9.6 oz
Please NOTE: BCG and Charging Handle NOT Included.
| SKU | RA-RUC-PRO-MK2-X-PU |
|---|---|
| Product Type | AR-15 Partial Upper Receiver |
| Manufacturer | Rainier Arms, LLC |
| Gas Block Diameter | .750" |
| Thread Pitch | 1/2x28 (.22 cal) |
| Color | Black |
| Caliber | .223/5.56 |
