AR-15 .50 BEOWULF 12.7x42 18" Parkerized Rifle Kit / 15" Mlok / Adaptive Stock

.50 Beowulf

AR-15 .50 Beowulf 12.7x42 Cal 18" Parkerized Rifle Kit / 15" MLOK / Adaptive Stock / No Lower

Unleash the power of the .50 Beowulf with the 18" Parkerized Rifle Kit from Moriarti Armaments. This premium build kit is designed for shooters looking to dominate with big bore performance and precision. Featuring a high-quality 18" Parkerized heavy barrel, a 15" MLOK rail, and an Adaptive Tactical adjustable stock, this kit provides everything you need to build a custom AR-15 .50 Beowulf rifle. (Lower receiver is not included.)

Key Features:

• Barrel:

  • 18" 416CMV HBAR barrel, offering unmatched durability and precision.

  • 1:20" twist rate, optimized for heavy .50 Beowulf rounds.

  • Mid-length gas system and .936 low-profile steel gas block for smooth, reliable operation.

  • Thread pitch: 49/64x20.

  • Finished with a flash hider to reduce muzzle flash.

• Upper Receiver:

  • A-3 flat-top forged upper made from 7075-T6 aluminum for strength and longevity.

  • Black hard coat anodized for increased wear resistance.

  • Forward assist for improved reliability.

  • Amended ejection port opening to accommodate big bore ammo.

  • SOCOM-style design for optimal big bore performance with a rear charging handle.

• Rail:

  • 15" slim-profile Moriarti MLOK rail provides ample space for accessories while keeping the rifle light and agile.

  • Anodized black finish for a sleek, durable look.

• Bolt Carrier Group (BCG):

  • 6.5 Grendel-compatible BCG, designed to fit the 12.7x42 chamber.

  • Crafted from 9310 steel with a parkerized finish for enhanced strength and durability.

  • MPI tested to ensure reliability in high-stress conditions.

  • Enhanced extractor and side-staked gas key for superior durability and consistent performance.

• Charging Handle:

  • Milspec AR-15 charging handle machined from 7075 T6 aluminum and finished with a Type III hard coat anodized finish for durability.

• Lower Parts Kit:

  • Complete US-made aluminum AR-15 Mil-Spec lower parts kit.

  • MPI-tested fire control parts to ensure top-tier quality and performance.

• Stock:

  • Adaptive Tactical AR-15 EX Performance Adjustable Stock with a 6-position adjustable length for a custom fit.

  • Includes a Milspec buffer tube, 4.8 heavy buffer, and spring designed to handle the power of big bore rounds.

Why Choose the AR-15 .50 Beowulf Kit?

The .50 Beowulf is known for its heavy-hitting power and effectiveness at short to medium ranges, making it an excellent choice for hunting, self-defense, or tactical applications. This AR-15 .50 Beowulf Rifle Kit is built for shooters who demand precision, durability, and performance. The 18" Parkerized barrel, coupled with the heavy buffer system, ensures smooth recoil management and steady shooting under the most demanding conditions.

Build Your Big Bore AR-15 Today

Ready to experience the sheer power and precision of the .50 Beowulf? With the Moriarti Armaments AR-15 .50 Beowulf 12.7x42 Cal 18" Rifle Kit, you’re equipped with everything you need to assemble a custom rifle designed for high-performance. Whether you’re building for tactical use, big-game hunting, or just want a rifle that makes a statement, this kit has you covered.

Please Note: Lower receiver not included. Kit ships within 7-10 business days. During holidays or special sales, shipping lead times may be longer. If your order is delayed beyond the stated lead time, please contact us via email for assistance.

Upgrade your shooting experience with Moriarti Armaments and take your AR-15 to the next level with the power of the .50 Beowulf!

NOTE: Images may not be an exact representation of the product.