BCM® Standard 9" 300 BLACKOUT Complete Upper Receiver Group w/ KMR-A8 Handguard

MSRP: $1,059.50
Your Price: $781.45
(You save $278.05 )
(131 reviews)
SKU:
BCM-URG-300BLK-9-KMR-A8
Maximum Purchase:
5 units
Caliber:
300 BLK
Barrel Length:
9in
Barrel Style:
Standard
Handguard:
KMR-A8
BCM® Standard 9" 300 BLACKOUT Complete Upper Receiver Group w/ KMR-A8 Handguard
Stock Status:

Out of stock

About the BCM® Standard 9" 300 BLACKOUT Complete Upper Receiver w/ KMR-A8 Handguard

Features:

  • Continuous taper barrel profile designed for optimal weight, balance, and performance.
  • Tapered barrel profile out front, for easier maneuverability.
  • No sharp handguard cap shoulder for improved barrel harmonics and improved accuracy.
  • Muzzle threaded in standard 30 cal (5/8x24).

Whats included with this complete upper:

  • KMR-A8 KeyMod™ Handguard.
  • KMSM (KeyMod™ Sling Mount)
  • One 3" Picatinny Rail Section
  • BCM® Comp Mod 1 - 762/300 BLK

BCM® has taken great care to ensure the best possible performance and interchangeability. However, due to the large operational range of 300 Blackout ammunition in the market place, BCM® cannot guarantee function will all ammunition types in all conditions. These barrels were designed to run with a H3 buffer with high velocity ammo.

If running subsonic ammunition, it is recommended to run your suppressor and a carbine buffer. Fine tuning may be required in limited instances based on ammo and buffer choices that work best for the desired application. BCM® also recommends running the Crane O-ring (provided with all BCM® Bolt Carrier Groups) over the extractor with 300 Blackout.

Specs

  • Caliber: 300 Blackout
  • Barrel Length: 9"
  • Barrel Material: 11595E Spec Steel
  • Barrel Finish: Manganese Phosphate per Mil-Spec
  • Bore & Chamber: Chrome Lined
  • Weight: 2.2 lbs
  • Twist Rate: 1:7
  • Gas System: Pistol
  • Muzzle Device: BCM® Comp Mod 1 (762/300BLK)
  • Muzzle Threads: 5/8x24
  • Handguard: KMR-A8

Shop Related Products:

Want to see more upper receivers? Click the links below to view more BCM® AR complete uppers!

 

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***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit www.p65warnings.ca.gov.***

131 Reviews

  • 5
    BCM Standard 9" 300 BLACKOUT Upper Receiver

    Awesome piece of American craftsmanship.

  • 5
    It pays to buy quality

    Great quality upper and great service, thanks.

  • 5
    Excellent

    Very impressive! Light weight but built for work. Excellent job guys!

  • 5
    Top quality

    I expected quality and got that and great customer service.

  • 5
    Great Upper

    Very Fast Shipping, comes with a lot of Swag that I wasn't expecting which was quite a bonus, by far the best value for an SBR/Pistol 300 blackout Upper. Great Company, Ultra High Quality.

  • 5
    300 Blackout Upper

    Building a 300 Blackout SBR, using a BCM Upper (and lower) was an easy choice due to the high build quality and reliability. Excellent value and quality

  • 5
    300 pew pew

    It's BCM! What's not to love. If you want quality you come here.

  • 5
    BCM 9" 300 Blackout Upper

    This upper was the perfect combination that I was looking for. The quality of your product is unsurpassed. I was very pleased with the quick delivery time. I will continue to get my parts from you guys.

  • 5
    AWESOME

    I bought this upper for my SBR and wanted to dive into the .300 Blackout. I didn't understand why so many people loved BCM products or what made them so special. After talking to Travis Haley and gaining insight, I bought my first BCM upper, and I'm going to run nothing but BCM products from now on! Great quality and boring reliability. I've seen a lot of different .300 Blackout rifles with many different barrel lengths and almost all of them that I have seen have had issues with running subsonic ammo without a suppressor. I smile as my BCM 9" upper runs EVERY ammo possible and remains fully functional unsuppressed with an H2 buffer. Something A LOT of other companies can't get to work. I see a few other BCM uppers in my future and A LOT of BCM products. My rifle is almost all BCM now and it's going to stay that way. Buy with full confidence!