The 24 .223 Wylde barrel is the perfect marriage of design and precision! The rifling is beautiful and cleaner then most new barrels that I have seen. Nine Line Apparel for Sale. AR-15 Barrel - 24 / .223 WYLDE / 1:8 / Spiral Cut. Vickers Tactical For Sale. I have not had a chance to shoot real long range with this barrel just indoor range 25 yards but it shoots through same whole ,looks great ,love it ! We also carry an extensive line of AR-15 parts, barrels, and accessories for the enthusiast and builder alike. 2022 S CROCKETT Find many great new & used options and get the best deals for EABCO Accuracy Barrel fits Savage 10/110 and Axis, 223 Rem Wylde, 1:7, Blue at the best online prices at eBay! So just for fun I want to put together a similar set up but going with a .223 wylde chamber, the current 5.56 has a 1:7 twist but available are 1:7, 1:8, and 1:9 to see if I can improve on the 5.56 . 1 MOA in average. My boys age 10 and 14 love it! 1 watched in the last 24 hours. It is corrosion resistant resulting in an extended barrel life that is longer than conventional chrome lining. SFX9 HC 3.25 Solid Frame X-TAC 15 Round, SFX9 HC 3.25 Solid Frame X-TAC 10 Round. It is a heavy beast! Construction - Gun Barrel Quality 416R Stainless Steel. Your review*document.getElementById("comment").setAttribute( "id", "a133658d7c4404bf19fa3ca7bd86651f" );document.getElementById("jf6305e177").setAttribute( "id", "comment" ); document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2017 - 2023, Durkin Tactical. Our Nickel Boron bolts are excellent and reasonably priced! Sign up for our newsletter to receive updates and exclusive offers, Copyright 2023- Ballistic Advantage - All Rights Reserved. Pistol Sights For Sale. (verified owner) November 4, 2019. Add to Cart The item has been added. FREE SHIPPING ITEM! The performance of 223 Wylde uppers is often superior to either 223 Remington . It is fluted along its length for greater stiffness, faster cooling and reduced weight. AR 15 Rifles. &n AR-15 5.56/.223 24" Black Clawstainless steel fluted bull upper assembly includes: Barrel - 24" 416 spiral two tone stainless steel fluted bull barrel. Stainless AR-15 Threaded 20" HBAR Barrel- Our Shaw Stainless Steel AR-15 HBAR Barrel is fully chambered and ready to install on an upper receiver. Chambered in 223 Wylde(accepts 5.56 NATO and.223 rounds). i will be ordering more thank you again C.B.C, Kevin Morales JavaScript is disabled. A growing company has growing pains. Still breaking in and getting used to my new toy, but it does seem to like 55gr. Black nitride finish. The kit parts will fall into the general specs above but items such as stocks, handguards, and muzzle devices are changing daily. I can officially say I will purchase more items from this company in the near future. As a result we bought the rest of the parts, put the Sig back together, and now have two ARs. All CBC premium quality uppers, kits, and rifles are custom-built and handcrafted to order. An essential component to your AR15 is the gas tube, which keeps your build up and running. Ready to install with M4 feed ramps barrel extension and locator pin included. The barrel is made from the highest quality 4150 Chrome Moly Steel for accuracy and durability and features a 1:8 twist rate, rifle length gas system, and head spaced twice from the manufacturer. The improved accuracy and ammunition flexibility make 223 Wylde an easy decision. It would have been nice to have been contacted. The site owner may have set restrictions that prevent you from accessing the site. Welcome to CBC Industries. This upper is more than i expected and a decent price shipping was pretty quick just wish it came in stainless ? Stainless AR-15 Fluted HBAR BarrelNational Match Grade 5.56 NATO/.223 Rem (Wylde) Accuracy BarrelOur EABCO Stainless Steel AR-15 Fluted HBAR Barrels are fully chambe, Savage Accuracy Barrel 223 Remington WyldeFits Savage 10/110 Series RiflesFits Savage Axis Short and Long Action RiflesStandard Small Shank, Remington 700 Accuracy Barrel 223 Wylde 1:7Fits Remington 700 Series Rifles with No Modifications*.Shank Thread 1 1/16 -16 TPI. I ordered this for my oldest boy it only took a few days and here it was .i.looked it over good all is perfect now ready he it to shoot some varments. Due to being machined from 4150 chrome moly steel, this barrel contains a better cut, higher-definition rifling, crowns . 223 Wylde 24" AR Stoner barrel.. CBC provides a wide selections of AR-15 upper assemblies in a variety of styles and lengths - all partial AR-15 uppers are assembled with everything less the charging handle and bolt carrier group. Shooting clays and yotes out to 500 !! Foxtrot Mike Products FM-15 .223 Wylde AR-15 Rifle - Side Charging and Side Folding - 13.9" - Primary Arms Exclusive. The Wylde barrel fires both .223 and 5.56 ammunition in less than 1" groupings at 100 yards! Wilson Combat TR223 . The performance of 223 Wylde uppers is often superior to either 223 Remington or 556 NATO due to the tighter tolerances of its chamber. By accessing our, AR-15 7" THREAD-ON FAKE SUPPRESSOR, NITRIDE, 1/2X28, AR-15 .223 Wylde 24" CMV Fluted Tactical Bull Upper Assembly, Left Handed Side Charger, AR-15 .223 Wylde 24" Tactical Bull Upper Assembly/Side Charger/BCG, AR-15 5.56/.223 24" Black Claw stainless bull upper assembly / Mlok, AR-15 5.56/.223 24" black nitride bull upper assembly / 15" Mlok, AR-15 5.56/.223 24" stainless steel fluted bull upper assembly / Mlok, AR-15 5.56/.223 24" stainless steel quadrail bull upper assembly w/ xtreme muzzle brake, AR-15 5.56/.223 24" stainless steel tactical bull upper assembly, Moriarti Armaments LLC, All rights reserved worldwide. Requested URL: www.brownells.com/gun-parts/rifle-parts/rifle-barrels-parts/ar-15-bull-barre-24-223-wylde-stainless-steel/, User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_8_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Mobile/15E148 Safari/604.1. Business Hours: 9am-5pm EST, Monday Friday. Still need to shoot but dont expect any issues. .223 Wylde Chamber. We produce high quality AR-10, AR-9, & AR-15 upper assemblies as well as AR-10, AR-9, & AR-15 rifles & pistols. Black nitride finish. Typically, the longer the barrel, the less twist you can get away with, but YMMV. Only negative it the lead time on this item. 5.0 average based on 3 product ratings. The barrel is one of the few components that directly affect the accuracy and weight of your build. I will update when I have had time to install the competition trigger I just received in the mail.The finish and quality of workmanship is beautiful. Gene Stoner and Bob Hutton at Guns & Ammo magazine paired a 55-grain bullet with a case slightly longer than the .222's. The foundation of all good ARs is built upon a dependable upper receiver. This .223 Wylde chambered 24 inch barrel is machined from 416R Stainless Steel with a Machine finish. The upper receiver features:Barrel - 24" 4150 CMV bull barrel, phosphate. 888.706.0633, 15" M-LOK Lightweight Free Float Rail - Black, 15" KEYMOD Lightweight Free Float Rail - Black, 1/2x28 Competition Muzzle Brake - Black [+$25], 1/2x28 Competition Muzzle Brake - Stainless [+$35], 1/2x28 Kaw Valley Precision Linear Comp [+$60], VORTEX VIPER PST GEN II - 3-15x44 SFP - EBR-4 (MOA) RETICLE [+$899], VORTEX STRIKE EAGLE - 5-25x56 FFP - EBR-7C (MOA) RETICLE [+$799], VORTEX VENOM - 5-25x56 FFP - EBR-7C (MOA) RETICLE [+$499], VORTEX DIAMONDBACK TACTICAL - 6-24x50 FFP - EBR-2C (MOA) RETICLE [+$399], VORTEX CROSSFIRE II - 3-12x56 HOG HUNTER - V-BRITE (MOA) RETICLE [+$299}, 223/556 Wilson Combat Nickel Boron BCG [+$195], 223/556/300 10 Round - MAGPUL PMAG 10 GEN M3 [+$18], 223/556/300 30 Round - MAGPUL PMAG 30 GEN M3 [+$28], AR15 Charging Handle - Standard Mil-Spec [+$20], AR15 Charging Handle - Tactical Gen 1 [+$45], AR15 Charging Handle - Tactical Gen 2 [+$45], AR15 Charging Handle - Tactical Gen 4 [+$45], AR15 Charging Handle - Tactical Gen 5 - Ambidextrous [+$50], 24" 204 RUGER Shaw Stainless Bull Barrel - 15" Rail - Thread Protector - AR 15 Upper, 24" 224 VALKYRIE Shaw Stainless Bull Barrel - 15" Rail - Thread Protector - AR 15 Upper, 24" 223 WYLDE Barrel - Shaw - Stainless - Bull - 1x8 - Threaded, 24" 223 WYLDE Shaw Stainless Bull Barrel - 15" Rail - Thread Protector - BCG - CH - AR 15 Complete Upper. (Thank you CBC) The 1:8 twist rate is great for stabilizing most bullet weights from 55 grains up to 77 grains and the rifle-length gas system is optimal for reliability and reduced recoil. 1-8 rh twist 6 groove button rifled. I contacted Lauren in customer service and she had new screws sent that day. That was un expected, but it sure is awesome. To ensure even more strength, the upper reciever is hard coat anodized. At least it was covered up. Hardened to 26-32 rc and stress relieved. Only logged in customers who have purchased this product may leave a review. My first AR build, and it is certainly more accurate than I am at this stage. North Charleston, SC 29418 LMT MRP 5.56 NATO Chrome Lined AR-15. You must log in or register to reply here. With its low profile, this gas block allows it to fit under the most ergonomically designed handguards and rails on the market. In Stock . Went together flawlessly. Designed for corrosion resistance, this barrel will not let you down. Can someone tell me what the thread pattern is on this barrel? NOTE: Images may not be an exact representation of the product. The bull barrel makes for an accurate rifle with light recoil and quick shot recovery. This AR-STONER AR-15 223 Remington (Wylde) Barrel is perfect for competition where accuracy and reliability are imperative to a successful match. Eabco ALWAYS provides high quality products I've not been disappointed yet and don't expect to. It features an 11 target crown for enhanced 17 HMR Blue TC Contender G2 Accuracy Barrels Twist 1:9, Standard Model, Match Grade Barrels by EABCO- We bring considerable experience to the making of our 17 HMR barrels. Now have to save up and build another! improved dpms pattern bull/varmint ar15 barrel 24 inch national match 223 wylde fits 223 remington as well as 5.56 nato ammunition. CA and NY compliant.Barrel - 24" 4150 CMV bull barrel, non fluted. $192.49 - $201.24. This upper receiver exceeded our expectations for workmanship, fit and finish, materials, and great customer service. However, kind of disappointed that CBC Industries had no company stickers for me. The 223 Wylde chamber was developed to reliably fire both .223 Remington and 5.56 NATO rounds with the highest possible accuracy. .936under gas.. AR-15 5.56/.223 24" stainless steel fluted bull upper assembly incl AR-15 5.56/.223 24" stainless steel quadrail bull upper assembly includes: Barrel - 24" 416 stainless steel fluted bull barrel. Hand Lapped. There must have been an increase in demand for that time as in the next week, lead times increased to 3 weeks. 1.9" length at gas block. Nine Line Apparel for Sale. AR-15 1/2X28 7" THREAD-ON FAKE SUPPRESSOR, NITRIDEOverall Length: 7 AR-15 .223 Wylde CMV Fluted Tactical Bull Upper Assembly, Left Handed Side Charger. So, if you want to add a new bolt to your barrel order, you can select "Yes" to add one for an extra charge. We also carry an extensive line of AR-15 parts, barrels, and accessories for the enthusiast and builder alike. On the other hand WE'RE trying to keep costs down and if you already have a good bolt, there's no sense in adding the cost of another one if you don't need it. With a 24" barrel your 77 (I assume SMK) will do just fine with 1:7. Chambered in 5.56 nato (also accepts .223 rou.. AR-15 5.56/.223 24" stainless steel tactical bull upper assem Moriarti Armaments is your one-stop solution for high quality AR-10, AR-9, AR-45 & AR-15 rifles, pistols, AR-40 build kits, ammunition, and upper assemblies. This component ensures that your AR runs reliably. . Rest assured, you will still benefit from our vast product selection and industry-leading customer service. 2022 S CROCKETT I'm looking forward to many trips to the range and in the field with this barrel set up. 24 Inch Fluted Stainless Steel Varmint Barrels Stainless Steel Barrel Assemblies.223 Wylde Chamber. With the PWS Long Stroke Piston System, this pistol offers a superior shooting experience. Pistol Triggers For Sale. We also offer an extensive line of AR-15 shooting accessories and gun parts, all at great low prices and made in the USA. My brother on the other hand likes the feel of it! CBC is the way to go for the starting upper. You want your AR built upon a solid platform - this receiver gives you the confidence that your AR-15 will function when it counts most. 1-8 rh twist 6 groove button rifled. Semi-Automatic Pistols For Sale. Product Details: AR-15 Upper Assembly - 24 / .223 WYLDE / 1:8 / Bull Barrel / 15 CBC Arms MLOK Handguard M-LOK Handguard. Pistol Slides For Sale. Chambered in .223 Wylde, accepts both 5.56 and .223 .. AR-15 .223 Wylde CMV Fluted Tactical Bull Upper Assembly, Left Hand AR-15 .223 Wylde 24" Tactical Bull Upper Assembly, Side Charger. The Wylde barrel fires both .223 and 5.56 ammunition in less than 1 groupings at 100 yards! These AR handguards provide Keymod slots for mounting attachments and feature robust steel mounting hardware to ensure an easy rock-solid installation. Thank you for your business. Kevin wagenknecht This medium contour barrel is made from 416R Stainless Steel and uses 5R Rifling with a 1 in 8" Twist. Includes BCG & Charging Handle. Threaded .. AR-15 5.56/.223 24" stainless steel quadrail bull upper assembly in AR-15 5.56/.223 24" stainless steel tactical bull upper assembly is a perfect addition to AR-15 Rifle family long range target shooting. The quality of the receiver and the handguard are great especially for the price. These high-quality barrels are crafted with precision machining and superior materials, making them a top choice for competitive shooting, hunting, and tactical use. Phone: 843-818-4374 Shooting steel case ammunition through our products voids ALL warranties!!! Glad i ordered next is one for my daughter. These twins date to 1957, when the .223 emerged as an experimental cartridge for the new AR-15 infantry rifle. 1:8 is also used, and I have not seen any difference. Either Stripped or Upgraded Billet Upper Receiver (depending on availability) FDE . 4 Stars, 0 product ratings 0. You cant beat the quality, price, and service! I have been buying there products for awhile now. upper assemblies.300 blkout; 5.56 /.223 wylde; lower assemblies; upper parts All build kits are subject to change slightly in this time of EXTREME demand. .936under gas block. Learn More. Does anyone have or has a 24" barrel shooting 77gr bullets in a .223 wylde? Blog: Top AR-15 Upgrades. Should You Install a New Bolt w/This Barrel? I will shoot it this week and update the post on its accuracy with multiple loads. New for 2020, these AR15 handguards are built to provide rugged, reliable performance. Some of our customers have suggested that we should include a new bolt with our AR15 barrels. To make the shopping experience with Brownells better, we have a number of representatives in Europe. But with the ability to create sub-MOA AR-15s in 5.56 NATO, the accuracy gain presented by using .223 Wylde really isn't very much. Great upper! Hardened to 26-32 rc and stress relieved. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. If you have a 223 Wylde AR15 you could put any ammo through it without thinking twice. The barrel is one of the few components that directly affect the accuracy and weight of your build. I waited 3 weeks and called to find out the status of my order and was told that it was delayed indefinitely due to the handguard being out of stock. Yes, .223 Wylde is more accurate than 5.56 NATO. I don't believe this barrel is available as a component. Hardened to 26-32 rc and stress releived. . Machining and finish on the barrel look very nice. My hardware is to be used as tools and function is prized over aesthetics. Ive been shooting this for a few weeks and all I can say is this unbelievably accurate sub moa at 200 yards dont let the price fool you thank you Cbc. Get your AR-15 upper assembly at CBC today! JavaScript seems to be disabled in your browser. document.getElementById("copyright_year").innerHTML = new Date().getFullYear(); EABCO Custom Contender/G2 Accuracy Barrels fit Thompson Center C. EABCO Ultra Match Accuracy 10/22 BarrelOur EABCO Ultra Match Accuracy Barrels include every premium accuracy feature there is. bullets spreading quite a bit. AR15Parts.com Improved National Match AR-15 Bull Accuracy Barrel by EABCO - 24" Stainless Fluted 5.56 NATO/.223 Rem (Wylde) 1:9 Varmint Barrel, Decrease Quantity of Improved National Match AR-15 Bull Accuracy Barrel by EABCO - 24" Stainless Fluted 5.56 NATO/.223 Rem (Wylde) 1:9 Varmint Barrel, Increase Quantity of Improved National Match AR-15 Bull Accuracy Barrel by EABCO - 24" Stainless Fluted 5.56 NATO/.223 Rem (Wylde) 1:9 Varmint Barrel. For a better experience, please enable JavaScript in your browser before proceeding. No issues with assembly and shoots flawlessly. Took it to the range 3hrs after it came in, kicked the tires, tried 5 different makes of ammo (200 rounds)to see if I could find a flaw.it stood the test! I confirmed its accuracy by shooting it with iron sights at 100 yards. Handguard: 15"MLOK - Rail Will Vary . Highly recommend for prairie dog and coyote long range hunting. This barrel chambered in .223 Wylde for compatibility with both surplus MIL-SPEC and commercial .223 Remington ammunition. 888.706.0633, VORTEX VIPER PST GEN II - 3-15x44 SFP - EBR-4 (MOA) RETICLE [+$899], VORTEX STRIKE EAGLE - 5-25x56 FFP - EBR-7C (MOA) RETICLE [+$799], VORTEX VENOM - 5-25x56 FFP - EBR-7C (MOA) RETICLE [+$499], VORTEX DIAMONDBACK TACTICAL - 6-24x50 FFP - EBR-2C (MOA) RETICLE [+$399], VORTEX CROSSFIRE II - 3-12x56 HOG HUNTER - V-BRITE (MOA) RETICLE [+$299}, 223/556/300 10 Round - MAGPUL PMAG 10 GEN M3 [+$18], 223/556/300 30 Round - MAGPUL PMAG 30 GEN M3 [+$28], 24" 223 WYLDE Shaw Stainless Bull Barrel - 15" Rail - Thread Protector - AR 15 Upper, 24" 204 RUGER Shaw Stainless Bull Barrel - 15" Rail - Thread Protector - BCG - CH - AR 15 Complete Upper, 24" 224 VALKYRIE Shaw Stainless Bull Barrel - 15" Rail - Thread Protector - BCG - CH - AR 15 Complete Upper, 16" 50 BEOWULF Stainless Bull Barrel - 15" Rail - Thread Protector - BCG - CH - AR 15 Complete Upper. Finish - Stainless Steel. I have broken this barrel in and just took it out to shoot for groups it is doing about 1/2 to 3/4 inch at 100 with a mil speck trigger at 6.5 lbs. And yes, it can fire both .223 and 5.56 NATO completely safely. Heat Treated to RC 28-32 Hardness, and Stress Relieved. Rifle Scopes For Sale | AR15 Scopes. Welcome to CBC Industries. I have already bought from CBC again. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. AR 15 Buffer Springs For Sale. Once I did the proper break in on the barrel and dialed this bad boy in at 200, it is just Amazing !! SPECS: Length - 24 inches. The Ultimate SPR Build. SHERMAN, TX. The barrel is made from the highest quality 4150 Chrome Moly Steel for accuracy and durability and features a 1:8 twist rate, rifle length gas system, and head spaced twice from the manufacturer. There products cant be beat ! (verified owner) February 4, 2020. Designed with the advanced shooter in mind, these handguards are light and ergonomic, features that provide faster on-target . Add to Cart $299.95 $499.95 Find high performance 223 Wylde rifles, pistols, uppers, and barrels at great prices from Bear Creek Arsenal. Looks great in dark earth. You can get in touch with our representatives today to learn more about our products and services or simply talk to us about your next quality AR rifle or build. View Details. I have a 24" 5.56 that gets decent MOA at 100 yds (smaller than .5). Great build and well worth the money. This construction is of 4140 chrome moly steel and finished in nitride for excellent surface protection. This item will ship directly to you with no FFL transfer required. Due to its length, this barrel is a favorite among varmint hunters. This upper assembly will fit all mil-spec AR15 lower receivers. I'm very pleased with the accuracy of this barrel. stainless fluted bull barrel with 11 degree target crown is compatible with both .223 remington and 5.56 nato ammunition, chambered for 223 remington wylde, and rifled 1:9 includes m4 feed ramps extension and locator pin. If you are a dealer, please log in to your account to see dealer pricing. Twist Rate: 1:8. We installed the upper on a Sig-Sauer, where it went together perfectly. A slower twist than 1:8 is not well suited for the heavier round. It features an 11 target crown for enhanced accuracy potential, and is compatible with BOTH .223 Remington and 5.56 NATO ammunition. This kit includes: 24 5.56/.223 Barrel (stainless steel or black nitride, twist may vary) 15 Free-Float FDE Handguard (depending on availability) A2 Birdcage Muzzle Brake. Would recommend over and over again to anyone. I did upgrade to a drop in POF trigger. You are using an out of date browser. Dimensions - .936" OD at the gas port. Designed with the advanced shooter in mind, these AR handguards are both sleek and ergonomic in the hand and that translates into faster on-target performance and ease of use. Our partial upper assemblies offer quality and performance that will satisfy the most demanding shooter. The 223 Wylde chamber was developed to reliably fire both .223 Remington and 5.56 NATO rounds with the highest possible accuracy. National Match Grade 5.56 NATO/.223 Rem (Wylde) Accuracy Barrel, Fluted Front, Non-Fluted Rear - Retains Weight and Fits All Standard Barrel Nuts, UN-Threaded Muzzle - By Popular Request of Target and Varmint Shooting Purists, Contour: Improved DPMS Pattern Fluted Bull/Varmint, Chamber: 223 Rem (Wylde) for 5.56 NATO/.223 Rem, Made-To-Order Accuracy Barrels for Thompson Center Contender/G2, EABCO Ultra Match Accuracy Barrel fits Ruger 10/22, Stainless Helical Fluted Threaded, AR-15 HBAR 24" Accuracy Barrel by EABCO - Stainless Fluted Threaded 5.56 NATO/.223 Rem (223 Wylde) National Match, EABCO Accuracy Barrel fits Savage 10/110 and Axis, 223 Rem Wylde, 1:7, Blue, EABCO Accuracy Barrel fits Remington 700, 223 Wylde, 1:7, Blue, Shaw AR-15 Barrel .223 Wylde Stainless 20" Threaded HBAR Contour, EABCO Accuracy Barrel fits TC Contender/G2, 24" Blue 17 HMR 1:9 Twist, EABCO Accuracy Barrel fits TC Contender/G2, 24" Blue 30-30 Winchester 1:10 Twist. 1000 Yard AR 15 223 WYLDE Zombie Head Hunters 1.2K subscribers Subscribe 328 22K views 2 years ago Brandt shooting his new long range AR15 at 1000 yards. The barrel is made from the highest quality 4150 Chrome Moly Steel for accuracy and durability and features a 1:8 twist rate, rifle length gas system, and head spaced twice . The .223 Wylde is a hybrid .223/5.56 chamber designed by Bill Wylde to yield the accuracy advantages of the match .223 Remington commercial chambering, but without pressure or reliability failures when using high velocity 5.56 NATO spec ammunition. Fit and finish is nice quality on the various parts on my order. Taking a look at a budget friendly barrel for only $75 bucks! Chambered in .223 Wylde (advantage of shoot.. AR-15 5.56/.223 24" black nitride modular bull upper assembly is of AR-15 5.56/.223 24" stainless steel fluted bull upper assembly includes: Barrel - 24" 416 stainless steel fluted bull barrel. For a listing of our Brownells Europe representatives. Thank you for your business. BCG Included: Yes, Full Auto Rated Nitride Coated Bolt Carrier Group I ordered my upper on Labor Day weekend and the delay was shown as 7-10 days out. Ballistic Advantage 223 Wylde Fluted Premium Series 16 SPR Barrel $ 230.00 $ 169.00 Sale! THEY say you should install a new bolt anytime you install a new barrel on an AR15 platform. Hardened to 26-32 rc and stress releived. This upper features a flat top M4 Mil-Spec upper receiver that is forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper! I ordered this upper with semi high expectations and boy did it deliver. I assume the diminished QC is related to the increased lead time. This barrel utilizes the popular and versatile .223 Wylde chamber, which allows for the safe usage of 5.56 NATO ammunition and enhance reliability. Ballistic Advantage Modern Series 16". . CA and NY compliant.Barrel - 24" 4150 CMV heavy barrel, fluted. I recommend this made in the USA product you cant beat the value. AR15Parts.com 4. Normally you get what you pay for but can a $75 dollar barrel get the job done, find out here!C. The upper was so well made we have recommended CBC to our friends. CBC upper receivers offer best-in-class quality while providing you years of dependable service. And almost never worth the price hike you'll normally pay. Ballistic Advantage 16" Barrel. 223 Wylde Barrels. Only problem I had was a few screws that held the hand guard to the barrel nut were too long so they would not tighten down to become flush with the hand guard.