Radical Firearms 18" .223 Wylde 1:8 Rifle Length SPR Complete Upper - 15" M-LOK FCR Rail and Zero Impulse Brake

Manufactured by Radical Firearms
Manufactured by Radical Firearms
2 Reviews

Out of Stock

NOTE: Limit 1 per household. Quantities exceeding 1 will not allow checkout.



The Radical Firearms 18" .223 Wylde Complete Upper Receiver is a match grade, drop-in solution for your next AR build. Crafted with quality materials and covered by Radical’s lifetime warranty, this MIL-SPEC upper receiver provides an outstanding solution for any budget. Arrives at your door with the hard work done. Complete the build with your favorite lower receiver and sights then head for the range!

Includes the Radical Firearms FCR System, an ultralight, slim handguard that boasts maximum weight savings without sacrificing any mounting options. Mount your favorite optics, sights, or accessories using the seamless MIL-SPEC Picatinny rail or M-LOK mounting points. This freefloat design offers the ultimate control for tactical, competition, or sporting applications.

  • 18" 416R stainless steel, hand lapped, match grade barrel
  • Chambered in .223 Wylde with a 1:8 twist rate
  • M16 cut bolt carrier group with Melonite finish
  • BCG high pressure tested and magnetic particle inspected
  • Standard charging handle
  • Radical Firearms Zero Impulse 3-Port Muzzle Brake
  • 15" Radical Firearms M-LOK FCR Rail 
  • Made in the U.S.A. in Stafford, Texas!
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AssemblyComplete Assemblies
Barrel Length18
Barrel Material416R Stainless Steel
BrandRadical Firearms
Caliber Gauge.223 Wylde
Gas System LengthRifle
Gas System TypeDirect Impingement
Handguard15 in Radical M-LOK FCR Rail
Muzzle DeviceRadical Firearms Zero Impulse Muzzle Brake
Twist Rate1:8

Ratings & Reviews

2 reviews

  • 4 stars
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  • 3 stars
  • 0 reviews
  • 2 stars
  • 0 reviews

Buyer Beware

by -

Do not buy this upper! I could get no consistency with it. It only frustrated me for the year that I had it. I shot over 500 rounds of quality match ammunition. Do the math! That is a lot of money.
<br> It's about a 2.5 moa barrel. I am an experienced shooter and a good shot. I bought this to make an SPR.
<br>I'm done with it! I'm going to replace the barrel with one from a more established company.

Great accuracy

by -

This upper is a tack driver, 1/2" groups using Magtech 77 gr Sierra OTM. I have about 1500 rounds through it so far, and no issues at all. I couldn't be happier.