Designed by Bill Wylde, the .223 Wylde is a hybrid .223/5.56 chamber to yield the same accuracy advantages of the .223 Remington commercial chambering, without pressure or reliability failures experienced when using high velocity 5.56 NATO spec ammunition.. By having a chamber throat tighter than 5.56 the .223 Wylde attains better accuracy and yet function true with military 5.56 ammunition. (us made) In 1957, during research into development of a military .22 caliber rifle the Remington .222 Special was created by a joint effort of Fairchild Industries, Remington Arms and U.S. Continental Army Command (CONARC). Gun #: 934813090. Technically speaking, a 223 Wylde rifle has identical chamber angling as a 5.56×45 rifle but also brings a .2240 freebore diameter. 223 Wylde is a hybrid rifle chamber that allows you to shoot both .223 and 5.56×45 ammo from the firearm safely. AR15 223 Wylde 16″ Complete Upper *NEW for 2021* $ 499.99 New for 2021 is this top quality 16″ 223 Wylde upper featuring a Saturn/Liberty 5R stainless barrel with other components from Aero and … In this Tech Tip Brownells gun tech Steve Ostrem explains the difference between 5.56 NATO, .223 Remington, and .223 Wylde caliber chambering. (US MADE)1) .750 DIA LOW PROFILE GAS BLOCK, 1) STAINLESS STEEL MID LENGTH GAS TUBE1)  MILSPEC CHARGE HANDLE (ALU 6061 WITH STEEL LATCH)1) 15" ULTRA SLIM MLOK FF HANDGUARD1) A2 FLASH HIDER 5/8X24 TP. ATI Polymer AR15 Upper and Lower - 223 Wylde. The Wylde is a hybrid chamber designed to allow both ammunition types to be safely fired with good accuracy. 16" AR-15 Upper - Parkerized 5.56/.223 M4 Contour Barrel, 1:8 Twist, 15" M-LOK Rail AR-15 Upper with M4 Profile Barrel, Your Choice of NATO 5.56 Upper Receiver or .223 Wylde, 4150 Chrome Moly Vanadium, Parkerized Finish. Place an order with us today and discover how much this little bit of customization can improve your weapons' performance. Hardened to 26-32 rc and stress releived. 223 Wylde AR15 COMPLETE UPPER RECEIVER 5.56. Free Floating M-Loc Handguard. Page 2, 5.56 Nato .223 Wylde (AR-15) DD Custom Arms Elite Series "Akaneiro" AR-15 Featuring A Davidson Defense Upper Receiver 16" Yankee Hill Machine 5.56 NATO 4150 CMV QPQ Nitride 1-9T Diamond Fluted Barrel 15" Unique AR Handguard (Assembled or Unassembled) A .223 Wylde chamber is a hybrid rifle chamber designed to allow .22 caliber barrels to safely fire both .223 Remington and 5.56×45mm NATO ammunition. NOW AVAILABLE in 7 head-turning, semi-custom colors, the NX15 will stand out from the crowd and keep you at the top of your game. Low Profile Gas Block. [5] The .223 Wylde chamber allows the use of both pressure levels safely, while also increasing accuracy potential across the range of potential bullet selections.[3]. It will still shoot both 5.56 & .223 like your standard 5.56 barrel. However, the larger-diameter 5.56 freebore can occasionally have a minor detrimental effect on accuracy on any given random shot, when using the standard combat 55gr M855 cartridge. .223 Wylde; 5.56 NATO; LOWERS. 1-7 rh twist 6 groove button rifled. [4], Note that while the .223 Remington and 5.56×45mm NATO chambers have slightly different dimension, the cartridges themselves are identical in exterior dimension. AM-10 Stripped Lower; AM-15 Stripped Lower; AM-9 Stripped Lower; 80% Lowers; LOWER RECEIVER PARTS. The major dimensional difference between the chambers that fire the .223 Remington and the 5.56 x 45 NATO is the longer and larger-diameter "freebore" in the 5.56 chamber (0.0566" vs 0.0250" length, 0.2265 vs 0.2240 diameter). [3], Bill Wylde of Greenup, Illinois compared the two cartridges and changed the chamber of the rifle's barrel to a specification called the .223 Wylde chamber. However, the cartridges are loaded to different pressure levels (55,000 psi vs 62,000 psi), with the 5.56 NATO being greater. "Clearing the Caliber Confusion: .223 Wylde vs. 5.56 NATO", "The dangers of mixing up 5.56×45mm NATO and .223 Remington rounds", "The AR-15 for Home Defense: Reliability", Brownells Tech Tip: AR-15 5.56/.223/.223 Wylde, https://en.wikipedia.org/w/index.php?title=.223_Wylde_chamber&oldid=990826347, Creative Commons Attribution-ShareAlike License, This page was last edited on 26 November 2020, at 18:39. Be aware that the freebore of a chamber can be special-ordered in a variety of lengths. .223 can be fired from a 5.56 chamber safely but with reduced accuracy. The 5.56 chamber has angular differences that allow higher pressures safely. The barrel is finished with a .750" diameter low-profile gas block, PSA 15" Lightweight M-Lok Free Float Rail and an A2