The store will not work correctly when cookies are disabled.
ATTENTION: USPS is currently experiencing significantly longer transit times than normal for packages. If your order is time sensitive please choose an Express shipping option at checkout.
Rainier Arms / Rellim Arms AR-15 .223 Wylde Take Down Upper Receiver Assembly - 8.5"
Sign up to be notified when this is back in stock
Email Address*
Mobile Number*
By entering your mobile number above, you consent to receive Rainier Arms back-in-stock text notifications from 35657 to that number. Msg frequency may vary. Msg & data rates may apply. Reply HELP for help and STOP to cancel. See Terms and Conditions & Privacy Policy
Review by VADER65 on 2 Jan 2023review stating Break down upper
Wow !!! Rainier went and did it again , another great product from some very out of the box intelligent engineers This system screams 21st century , quality and fit and trim are all there The only things I would rather see is a blacked out gas tube and even no the receiver has machine cuts to the 1913 rail I would have father had a more ...Read MoreRead more about Wow !!! Rainier went and did it again
of an up to date receiver itself a nice billet upper would have complimented the break away better in my opinion then a back to 20th century looking upper receiver I still gave it 5 cause it’s worth 5 just cosmetically speaking I would have rather seen a black tube and a 21st century billet receiver but they did go to extent of machining the top rail so it’s definitely more custom forged upper I really like the ability to break down with out the barrel flopping around as you see on the DOLOS kits for the money this is much less headache then those kits I’m very happy with my purchase and Rainiers ability to think outside the normal box and put that idea to production . this will be a very handy back pack gun with a little practice this system will deploy in seconds awesome awesome awesome ….. LOL Read LessRead less about Wow !!! Rainier went and did it again
Review by @2A-Pew-Pew-Papa on 29 Jul 2022review stating Great System
Great SHTF Bugout Bag PDW, it breaks down "without" having to add any extra weight by adding a takedown adapter. My only complaint would be that they should add directions for how to take apart their proprietary QD barrel nut assembly cause they warn you about not taking it apart due to it negating your warranty, but i like to break down my firear...Read MoreRead more about Great SHTF Bugout Bag PDW, it breaks
ms completely every few months for a complete cleaning and oiling, that being said, it's not a difficult task of tracking down the procedure. Other than that, this upper functions as it should and if your thinking about getting it, Do It! You won't regret it! Read LessRead less about Great SHTF Bugout Bag PDW, it breaks
Review by VADER65 on 2 Jan 2023review stating Break down upper
Wow !!! Rainier went and did it again , another great product from some very out of the box intelligent engineers This system screams 21st century , quality and fit and trim are all there The only things I would rather see is a blacked out gas tube and even no the receiver has machine cuts to the 1913 rail I would have father had a more ...Read MoreRead more about Wow !!! Rainier went and did it again
of an up to date receiver itself a nice billet upper would have complimented the break away better in my opinion then a back to 20th century looking upper receiver I still gave it 5 cause it’s worth 5 just cosmetically speaking I would have rather seen a black tube and a 21st century billet receiver but they did go to extent of machining the top rail so it’s definitely more custom forged upper I really like the ability to break down with out the barrel flopping around as you see on the DOLOS kits for the money this is much less headache then those kits I’m very happy with my purchase and Rainiers ability to think outside the normal box and put that idea to production . this will be a very handy back pack gun with a little practice this system will deploy in seconds awesome awesome awesome ….. LOL Read LessRead less about Wow !!! Rainier went and did it again
Review by @2A-Pew-Pew-Papa on 29 Jul 2022review stating Great System
Great SHTF Bugout Bag PDW, it breaks down "without" having to add any extra weight by adding a takedown adapter. My only complaint would be that they should add directions for how to take apart their proprietary QD barrel nut assembly cause they warn you about not taking it apart due to it negating your warranty, but i like to break down my firear...Read MoreRead more about Great SHTF Bugout Bag PDW, it breaks
ms completely every few months for a complete cleaning and oiling, that being said, it's not a difficult task of tracking down the procedure. Other than that, this upper functions as it should and if your thinking about getting it, Do It! You won't regret it! Read LessRead less about Great SHTF Bugout Bag PDW, it breaks
