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Rainier Arms, LLC

Rainier Arms UltraMatch .223 Wylde Complete Upper - 14.5

Rainier Arms UltraMatch .223 Wylde Complete Upper - 14.5
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Availability: Out of stock




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. Guaranteed to shoot SUB-MOA with match grade ammo and should group 1/2 MOA. All our custom uppers come complete with a limited lifetime warranty on all parts & workmanship.

Component List:

  • Rainier Arms 14.5" UltraMatch Barrel
  • Midlength Gas System
  • 1:8 Twist
  • Ratchet Rifling
  • Bead Blasted Finish
  • Rainier Arms UltraMatch Billet M4 Upper Receiver MOD 2
  • Rainier Arms Switch Ml-Lok 5.56 Rail 13"
  • Low Profile Pinned Gas Block
  • Match NIB Full Auto BCG
  • Rainier Arms Raptor Ambidextrous Billet Charging Handle
  • Rainier Arms XTC 2.0 Compensator Pinned

Additional Info

Additional Info

SKU RA1202
Manufacturer Rainier Arms, LLC
Finish No
Barrel Length No
Caliber No
Configuration No
Option No
Gas Length No
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No


Customer Reviews (2)

excellent upperReview by Jeffrey
I just used this upper in a 2 day rifle training course. Over 1000 rounds without a hiccup and accuracy was spot on. Hits from 300 no problem. The only thing was everyone around me thought I was using a howitzer or .308 at the minimum. Apparently the xtc muzzle brake puts off quite the concussion so neighbors might not love you. (Posted on 12/11/2016)
Amazing Ultramatch UpperReview by Rasputin
Ultra? Extreme? Pick a different adjective. How about "exceptional"?

Yes. This upper is exceptional. Until I shot it, I subscribed to the "longer is more accurate" theory. Wrong.

First, Rainier's Ultramatch uppers are 10 times more sexy looking and feeling than your HD smartphone screen makes them appear. I own a couple 18" Ultramatch uppers. One is six years old, one is nearly new. Knowing what they are capable of (sub moa), I had expectations, but not equal accuracy expectations. I connected the compact 14.5" work of art (16" total including that wicked XTC compensator) to a Rainier lower equipped with a Geissele SDE trigger - and went to work.

After trying 5 or 6 varieties of ammo that easily produced 1 moa groups, I went crazy and opened a box of 69 grain Lapua Scenar. This upper deserves it.

Even with a quartering headwind of 12+ mph, I shot a 3 round group just shy of 0.25" and a 5 round group I can almost cover with a dime. Less than one hour and 100 rounds down the pipe the thing shoots like a laser. I didn't buy it to attack 5" diameter steel plates at 500 yards, but I am eagerly looking forward to it now.

Yes, you can buy a complete rifle for the price of this beauty.
Go ahead, as long as you're not looking for something truly exceptional.
(Posted on 11/14/2015)

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