Rainier Arms RUC PRO Mk1 Riflespeed Partial Upper Receiver - 11.5"
AR-15 Partial Upper Receiver
Out of stock
Satisfaction Guarantee
We are so confident in our barrels that we offer a 100% money back guarantee within 90 days of purchase. If our barrels don’t meet or exceed your expectations, for any reason, return it for a full refund.
$750.00
Introducing the RUC PRO MK1 Partial Upper. Bringing the highest quality parts to the market, while offering the best value as well. This partial upper utilizes a Riflespeed adjustable gas control assembly on our new and improved Rainier Arms Select barrel. Pairing up with new PRO series MK1 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 - 11.5"
- Rainier Arms Forged Upper Receiver
- Rainier Industries PRO Series MK1 Handguard - 9.55"
- Riflespeed AR15/AR10 Adjustable .750 Gas Control Assembly - 3.3" (Gasblock pinned)
- SilencerCo ASR 5.56mm Flash Hider - 1/2x28
Please NOTE: BCG and Charging Handle NOT Included
| SKU | RA-RUC-PRO-MK1-RS-115-PU |
|---|---|
| Product Type | AR-15 Partial Upper Receiver |
| Manufacturer | Rainier Arms, LLC |
| Gas Block Diameter | .750" |
| Thread Pitch | 1/2x28 (.22 cal) |
| Color | Black |
| Rail Length | 9.55" |
| Barrel Length | 11.5" |
| Caliber | 5.56 NATO |
| Threaded | Yes |
