Our Selection 8 Best 224 Valkyrie Upper

ImageProductBrand
DoubleStar .224 Valkyrie UpperDoubleStarBUY
Adams Arms P3 Complete 224 Valkyrie Upper ReceiverAdams ArmsBUY
CMMG ENDEAVOR 200 Series Upper Receiver GroupCMMGBUY
DoubleStar .224 Valkyrie Upper Cloak M-LOKDoubleStarBUY
Brenton USA Ranger Carbon Hunter 224 Valkyrie Upper ReceiverBrenton USABUY
CMMG ENDEAVOR 100 Series Upper Receiver GroupCMMGBUY
New Frontier Armory Bolt Carrier Ar15 224 ValkyrieNew Frontier ArmoryBUY
CMMG ENDEAVOR 300 Series Upper Receiver GroupCMMGBUY

.224 Valkyrie is a predator hunting cartridge, which can fit an AR-15 magazine properly.

.224 Valkyrie rounds enhance the AR-15 platform potential, featuring long-range performance similar to larger calibers (the 6.5 Creedmoor shot from AR-10). To reach maximum results these bullets should be shot through a good barrel. .224 Valkyrie bullets significantly made trajectories and ballistics better over other AR-15 calibers (5.56x45mm NATO or 6.5 Grendel).

Why do we need 224 Valkyrie upper?

To provide reliable functioning in an AR-15 chambered for 5.56, you need to replace the entire upper receiver (or just barrel and the bolt carrier groups), using an existing lower receiver.

.224 Valkyrie ensures a similar kick to those other AR-15 rounds, but the same qualities to a larger round like the .308, with only half of its recoil. Practically, AR-15 converts to more ballistically similar to a 6mm AR-10. .224 Valkyrie rounds can be super-sonic at long ranges as well.

Best Pick

Brenton USA Ranger Carbon Hunter 22-Inch .224 Valkyrie Upper Receiver

Brenton USA Ranger Carbon Hunter 224 Valkyrie Upper Receiver

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This Forged HuntPort upper is completed with BCG with Nickle Boron Coating and HuntSize Charge Handle. The used materials (Stainless Steel (416R) and Carbon Fiber), as well as manufacturing processes, are proven by HuntSpec.

#1 DoubleStar .224 Valkyrie Upper with Diamond National Free Float Handguard, 2 models

DoubleStar .224 Valkyrie Upper

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Specification

Gun Rail: Picatinny, M-LOK
Overall Length: 24 in
Barrel Length: 24 in

The Standard Mil-Spec Flat-top upper receiver is outfitted with a 1-7 barrel twist rate, stainless (416) Bull-profile barrel, National Match Free-Float Handguard, and Aluminum Gas Block with Rifle Length Gas System. This Black Anodized upper comes without a bolt carrier group and charging handle (it’s necessary to buy a 6.8spc BCG with handle separately).

Pros
  • Great performance with Hornady Black in 75 grain at 50 yards

  • Complete Barreled Upper

  • Allows supersonic projectiles out to 1000 yards

  • Paired with an aero precision lower, black rain trigger, lower parts, and a Magpul PRS stock

Cons
  • California’s Proposition 65

#2 Adams Arms P3 Complete .224 Valkyrie Upper Receiver FGAA-01350

Adams Arms P3 Complete 224 Valkyrie Upper Receiver

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Specification

Gun Rail: M-LOK
Barrel Length: 20 in

The Adams Arms P3 Complete match-grade upper integrates a Government-Profile Barrel with a 1-7 twist rate, ambidextrous charging handle, an ergonomic free float rail, jet muzzle compressor, nickel boron low mass carrier, and Micro Block Adjustable piston system. The upper is covered with Black Nitride QPQ Melonite. It’s recommended to start with a heavy H2 buffer and then fine-tune the gas system to ammunition and set up for proper running.

Pros
  • Ready to compete with any long-range, accurate AR platforms

  • PROOF Research Carbon Fiber Wrapped Barrel

Cons
  • Not Yet Rated

#3 CMMG, Inc ENDEAVOR 200 Series Upper Receiver Group, 5 models

CMMG ENDEAVOR 200 Series Upper Receiver Group

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Specification

Gun Rail: M-LOK
Barrel Length: 20 in

The CMMG ensures that ENDEAVOR upper builts will enhance long-distance marksmanship while hunting or target shooting. From five CMMG Upper models for Endeavor 200, one is bored for .224 Valkyrie. This group with 1-7 in Twist integrates Medium Taper Profile barrel, 15-in Handguard, SV Muzzle Brake (threaded 1/2-28), and high-performance trigger to improve accuracy. The upper is finished with Black Matte.

Pros
  • Enhanced precision

  • Durable finish

Cons
  • Not Yet Rated

#4 DoubleStar .224 Valkyrie Upper with Cloak M-LOK Handguard, 2 models

DoubleStar .224 Valkyrie Upper Cloak M-LOK

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Specification

Gun Rail: M-LOK
Overall Length: 18 in
Barrel Length: 18 in

The Black Anodized Flat-top upper is equipped with a Chrome Moly (4140) HBAR-profile barrel (1-7 barrel twist rate), Cloak Free-Float 15-in Handguard, A2 Flash Hider, and Low Profile Steel Gas Block. This Standard Mil-Spec upper receiver doesn’t include a bolt carrier group, charging handle, and bipod stud.

Pros
  • Runs well supersonic projectiles out to 1000 yards

  • Complete Barreled Upper

  • Superb quality upper

  • The capability of sub-MOA accuracy

Cons
  • California’s Proposition 65

DoubleStar sells only the charger handle separately without bolt: this upper comes without BCG and handle, but still, they indicate “Complete upper”, although it’s an incomplete one.

#5 Brenton USA Ranger Carbon Hunter 22-Inch .224 Valkyrie Upper Receiver, 4 models

Brenton USA Ranger Carbon Hunter 224 Valkyrie Upper Receiver

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Specification

Gun Rail: M-LOK
Overall Length: 29.375 in
Barrel Length: 22 in
Weight: 3.19 lb
Gas Block Journal Size-Diameter: .875 in

These complete Forged HuntPort uppers are consist of Medium Hunter Stainless Steel (416R) Barrel (1-7 Twist) with Black Nitride Protective Coating, Carbon Fiber RealFeel 15-in Handguard, threaded Muzzle Protector (1/2×28), 10G MarbleKote Camo, BCG with Nickle Boron Coating and HuntSize Charge Handle, Bi-Pod (Sling) and Tripod Mounts.

Pros
  • Made in the USA

  • Good for big game and varmint hunting as well as coyote hunting

  • Materials and manufacturing processes are proven by HuntSpec (hunting stamp of approval like Mil-spec for the tactical firearm)

  • Excellent workmanship

Cons
  • None yet

#6 CMMG, Inc ENDEAVOR 100 Series Upper Receiver Group, 5 models

CMMG ENDEAVOR 100 Series Upper Receiver Group

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Specification

Gun Rail: M-LOK
Overall Length: 28.7 in
Barrel Length: 20 in

Among five CMMG Upper models, there is one, which is designed for .224 Valkyrie for Endeavor 100. This group with 1-7 in Twist features a 15-in Handguard, Medium Taper Profile barrel, A2 Muzzle Comp (threaded 1/2-28), and effective trigger to increase precision. The upper is covered with Anodized. The CMMG ENDEAVOR uppers provide enhanced long-distance accuracy while hunting or target shooting.

Pros
  • Enhanced marksmanship

  • Includes a BCG and Mil-spec charging handle

  • Long-lasting finish

Cons
  • Not Yet Rated

#7 New Frontier Armory New Frontier Bolt Carrier Ar15 6.8 Spc/.224 Valkyrie Black BCG-68-224

New Frontier Armory Bolt Carrier Ar15 224 Valkyrie

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Specification

Gun Rail: M-LOK
Dimensions: 1.05 X 3.85 X 7.80 in
Height: 1.05 in

This New Frontier Armory Steel Bolt Carrier Group with Forward Assist Serrations consists of Carrier (8620), Gas Key (4130), Bolt (9310). The BCG is milled from steel and Shot Peened/MPI/HPT, covered with Salt Bath Black Matte Nitride.

Pros
  • Lifetime Warranty

  • Durable finish

  • Gas Key is duly staked to MIL-Spec

  • Long-lasting finish

Cons
  • Not Yet Rated

#8 CMMG, Inc ENDEAVOR 300 Series Upper Receiver Group, 5 models

CMMG ENDEAVOR 300 Series Upper Receiver Group

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Specification

Gun Rail: M-LOK
Barrel Length: 24 in
Handguard Length: 15 in

One of five CMMG Upper receiver models is bored for .224 Valkyrie for Endeavor 300. This upper comes with a Medium Taper Profile barrel with 1-7 in Twist, SV Muzzle Brake (threaded 1/2-28), 15-in Handguard, and functional trigger for enhanced accuracy. The upper receiver is covered with Black Matte. The CMMG ENDEAVOR 300 uppers allow to improve long-distance marksmanship while target shooting and hunting.

Pros
  • Improved precision

  • Long-lasting finish

Cons
  • Not Yet Rated

How to Install 224 Valkyrie upper at AR 15

  • Before mounting the upper, unload the rifle and keep it empty.
  • Prepare the next tools: a vice, wrenches such as torque, an armorer’s or a barrel nut one, as well as a Loctite for the barrel nut and some grease.
  • Start with inserting the barrel in the upper, and threading on the barrel nut onto the upper, by tightening it down.
  • Fix the tube assembly and gas block. Slide the handguard over the barrel nut and put Loctite to provide a secure barrel nut grip with the knurled surface.
  • After aligning the rail with the upper, insert the mounting screws in the drilled holes, and tighten them down to 50 pounds.
  • Come out the gas tube straight, thread the barrel nut, and tighten the handguard up.

For the stripped upper receiver, the instructions are the following:

  • Fix the upper into the vice block, duly orient the FA two pieces with its tooth facing towards and start the roll pin with a punch.
  • Fasten the ejection port and put the C-shaped snap ring on the pin. Twist the spring 180 degrees, sliding the hinge pin, push the rod through to the free area.
  • Insert the barrel into the upper, putting the nut onto the barrel.
  • Fit the torque to 35 ft-lb and loosen a few times and check correct seating between the handguard surfaces.
  • Put the gas block and tube out, slide it over the barrel, let a .025 in space to move the block back.
  • Set handguard mounting hardware to the receiver, align it properly. Insert the indexing pin fully flush to the screws’ bottom.
  • Align both top holes and big ports on the side to vent the main gases to the side and other parts to the top to reduce the muzzle rise.
  • Lube up the charging handle and BCG.
  • Now the 224 Valkyrie upper is duly installed.

FAQ

What is the best barrel length for 224 Valkyrie?
Usually, the quality of bullet velocity and accuracy depend on the rifle barrel length: the longer barrel, the better performance. Using a .224 Valkyrie with AR-15 rifle, a twenty-inch barrel length will be the best for precision shooting and hunting at long ranges. An 18-inch barrel is more appropriate for short-range hunting or home defense.
How far can a 224 Valkyrie shoot?
224 Valkyrie is good for long-distance hunting, ensuring great power and accuracy at over 1,000 yards.
What is the difference between 223 and 224 Valkyrie?
Featuring the same bullet diameter, and a similar case length, the main difference is the rim diameter. .224 has larger shoulders and a wider body than the .223 Remington. The bullet weight is 60-90 Grain for 224 Valkyrie, and 35-80 Grain for 223 Remington.
Will a 224 Valkyrie kill a deer?
The .224 Valkyrie cartridge is viable for hunting on antelopes and deer. The 90-grain Fusion round at 2,700 fps has the necessary target load. The 60-grain Nosler Ballistic Tip Varmint bullet at 3,300 fps features a good load for hunters. These fast-expanding rounds promptly attack the hunting game with enormous amounts of energy.

Conclusion

The .224 Valkyrie can beat the 5.56x45mm NATO or the .223 Remington cartridges, as it’s a heavier bullet, which shoots faster than the 5.56, and it can be used for precision shooting on targets about 1200 yards. Consider these factors while looking for a new .224 Valkyrie upper for AR-15: barrel length, durability, Twist Rate, and Ease of installation. The sturdier the barrel is, the longer it lasts and the better it serves. Rust and corrosion-resistant barrel finish is a more advisable feature.

To choose the due twist rate, follow the rule: the heavier rounds, the less barrel twist should be. For an average .224 Valkyrie bullet weight (63 grains), 1:7 is a suitable twist rate ratio (the 1:7 means the round receives seven inches to complete one rotation).

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