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 9" 300 Blackout upper

    Great upper receiver. Fits perfect to my M4LE. Really like the KMR Alpha 8" handguard. Really like the smaller diameter handguard & key-mode accessories.

  • 5
    300 upper

    I purchased this to use with my ar pistol lower. I am very happy and highly recommend

  • 5
    Helpful and fast

    Those two words sum it up, BCM was great! It's starts with the user friendly website and continues through to he customer service follow up call. I had a number of questions, they were all resolved and I am quite happy with how my project turned out. I have already recommended BCM to my family and friends and will continue to do so.

  • 5
    300 Blackout

    This was my first complete upper purchase from BCM. The quality looks amazing and I cannot wait to put some rounds down range. Unfortunately I will have to wait for my SBR paperwork until I do. Overall, I am pleased with the upper and would recommend BCM products to anyone. Thanks!

  • 5
    The very best!

    Excellent quality, top notch, superior...these are all terms I use to describe BCM products, their customer service and shipping process. I received this upper and am impressed by the product (as I've purchased BCM products in the past) as usual. BCM customer for life here! Thank you for what you do!

  • 5
    BCM 9" 300 blk out upper

    Great product and great people to deal with. Quick service as well!

  • 5
    Great Product!

    Received my order in less than a week and as always I have no complaints from BCM products. Arrived in a timely matter and looks great!

  • 5
    BCM Excellence

    This 9 inch 300 Blackout upper is awesome and screams quality. I took it to the range to test and everything worked 100%. I am very happy with my purchase. A+ BCM

  • 5
    Compact & light 9" 300 BO upper

    9" compact barrel length with light weight keymod rail, I can't even feel the barrel weight. Build quality is excellent as expected as for all other BCM uppers. I ordered with BCM BCG & ambi CH. BCM comp looks really amazing. Sadly I will have to wait to shoot this upper until next year.