AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly – Shark Muzzle Brake / American Flag Engraving

Product Code:MAR-300-5-FLAG
Availability:In Stock
  • $259.95

  • $399.95

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AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly – Shark Muzzle Brake / American Flag Engraving

AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly – Shark Muzzle Brake / American Flag Engraving

Elevate your shooting experience with the AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly, featuring a Shark Muzzle Brake and American Flag engravings. This high-performance upper assembly is designed to seamlessly integrate with your existing AR-15 lower, requiring no additional modifications. Simply mount it to your standard AR-15/M16 bolt carrier group (BCG), load up with 300 BLK ammo, and you're ready to hit the range or add a powerful new tool to your collection.

Perfect for AR pistol builds, this upper assembly enhances precision and performance while showcasing an aggressive style with the Shark Muzzle Brake and American Flag engravings. Crafted with premium materials, it ensures reliable function and durability for your AR-15 300 AAC Blackout build.


Key Features:

  • Chamber: 300 AAC Blackout – Designed to fire both subsonic and supersonic ammo, perfect for tactical, hunting, and home defense applications.

  • Barrel: 5" Pistol Length Barrel – Manufactured from 4150 Chrome Moly Vanadium (CMV) with a black nitride finish for corrosion resistance and enhanced durability. The 1:7 twist ensures reliable stabilization of heavier bullets.

  • Upper Receiver: AR-15 Billet Upper Receiver (Stripped) – Precision machined in the USA, this billet receiver is strong and lightweight, offering the perfect foundation for your 300 BLK build.

  • Charging Handle: AR-15 Charging Handle Assembly – Features USA Flag engraving for a unique patriotic touch, made with durable materials for smooth operation.

  • Dust Cover: USA Flag Engraved Ejection Port Dust Cover – Complete dust cover assembly, engraved with the American Flag on both sides, enhancing the look and functionality of your upper.

  • Gas System: Micro Gas Tube – Proprietary AR gas tube designed for the pistol-length gas system of the 5" barrel, ensuring optimal cycling and performance.

  • Muzzle Brake: AR-15/308 Shark Muzzle Brake5/8x24 pitch threads. The Shark Muzzle Brake significantly reduces recoil and muzzle rise, allowing faster follow-up shots. Perfect for improving control and accuracy in short-barreled AR pistols.

  • Gas Block: .750 Low Profile Steel Gas BlockBlack anodized, with roll pins and wrench for easy installation.

  • Crush Washer: Tapered Crush Washer5/8x24 for a secure fit to your muzzle device, ensuring a tight and stable attachment.


Specifications:

  • Platform: AR-15
  • Barrel Length: 5" Pistol Length
  • Chamber: 300 AAC Blackout
  • Twist Rate: 1:7
  • Muzzle Thread: 5/8x24
  • Muzzle Device: Shark Muzzle Brake
  • Gas System: Micro Length
  • Gas Block: .750 Low Profile Steel, Black Anodized
  • Charging Handle: USA Flag Engraved
  • Dust Cover: USA Flag Engraved
  • Materials: 4150 CMV Barrel, Billet Aluminum Upper Receiver, Steel Gas Block

Additional Notes:

  • BCG is NOT INCLUDED, but can be purchased separately.
  • Rails may differ in appearance based on stock availability; rest assured, the same high-quality standards are maintained.
  • Images may not be an exact representation of the product.

Why Choose the AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly?

This 300 AAC Blackout Upper Assembly is the ideal choice for those looking to enhance their AR pistol with both style and performance. The Shark Muzzle Brake and American Flag engravings not only improve functionality but also add a unique, patriotic aesthetic. Whether you're building a new AR-15 pistol or upgrading your current setup, this assembly ensures top-tier performance and ease of installation with no major modifications required. Build your ultimate tactical tool with confidence.

Frank J Bonazza III 01/27/2022

Edit to previous review. Hope started not cycling any rounds (subsonic or supersonic), so I added an adjustable gas block. The original gas block seemed to be seated and located properly with no leak, so I checked the size of the gas port and found it was quite undersized @ .078125” or 5/64” I opened it up to 3/32” (.09375”) and now it will cycle anything. If you are having issues, this is quite possibly the culprit… I am now confident in this pistol, and it has become my primary home defense weapon. It would have been nice if I didn’t have to do troubleshoot it, and play gunsmith before being able to shoot it however…

Frank Bonazza III 02/10/2021

Nice quality upper at a decent price. Doesn’t like subsonic rounds however. I’m gonna add an adjustability gas block and see if it helps. I would definitely order from Moriarti Armaments again.

Kat L 05/12/2020

Thank you. I received my completed upper with bcg, and test fired it recently. Overall, I'm pleased with Moriarti Armaments commitment to quality and customer satisfaction.

Dave T 06/12/2019

I received the package.

Thank you again for the outstanding customer service and support.

I have recommended you to a couple other Marine friends who are looking to make purchases this year.

Thank you again and look forward to giving more of my business in the future.

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Tags: ar-15, 300, aac, blackout, 5", slick, profile, pistol, upper, assembly, , shark, muzzle, brake, american, flag, engraving

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