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BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ BCM KMR-Alpha 7" Handguard (NFA)

BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ BCM KMR-Alpha 7" Handguard (NFA)
300 BLACKOUT Barreled Upper Receiver Group with BCM KMR-A7


 
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List Price: $870.00
Our Price: $639.95
You save $230.05!


Stock Status:In Stock
Product Code: BCM-URG-300BLK-9-KMR-A7

Add BCM® Bolt Carrier Group with Upper Group

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The one and only BCM® milspec Bolt Carrier Group!
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BCM® 300 Blackout Upper Receiver Groups

Continuous taper barrel profile designed for optimal weight, balance, and performance.

Barrel profile fluted toward the rear near chamber area - Increases strength and heat dissipation.

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).

Includes KMR-A7 KeyMod Handguard.

Includes KMSM (KeyMod Sling Mount)

Includes 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 carbine buffer with subsonic ammo and a H3 buffer with high velocity ammo. 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.





  • Caliber: 300 Blackout
  • Barrel Length: 9"
  • Barrel Material: 11595E Spec Steel
  • Barrel Finish: Manganese Phosphate (Mil-Spec A-A-59267)
  • 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-A7





Copyright © 2015 Bravo Company MFG, Inc.

Average Customer Review: 5 of 5 Total Reviews: 22 Write a review.

  0 of 0 people found the following review helpful:
 
Great product, well built, and runs great May 8, 2019
Reviewer: Anonymous Person from DALLAS, TX United States  
This is my first 300 Blackout, and I love it.  This is without question a quality product.  

Shipping was fast and arrived with lots of promo items (stickers, catalogs, hat, etc).  I do recommend BCM, and will buy from them in the future.

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  0 of 0 people found the following review helpful:
 
BCM KMR-Alpha 7" Handguard (NFA) April 9, 2019
Reviewer: Lowell Carter from Rimrock, AZ United States  
Well made , fit and finish are excellent. Just the right size barrel and handguard .

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  1 of 1 people found the following review helpful:
 
Love It October 27, 2017
Reviewer: Anonymous Person from GA United States  
Used this as an extra upper for my 300 blackout.  My other upper has an infrared scope so I put an eotech with magnifier on the BCM.  It is lights out accurate.  Carry it with me when turkey hunting since I see more wild hogs than turkey.

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  0 of 0 people found the following review helpful:
 
Excellent product, service, and SWAG October 27, 2017
Reviewer: Anonymous Person from Bovey, MN United States  
The upper I ordered was very well put together.  I've worked with a lot of ARs and I can recognize the quality of the product.  Shipped and arrived very quickly.  LOTS of great swag...posters, stickers, and a hat.  Good advertising on their part and it was a great extra for me!  I highly recommend BCM.

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  2 of 2 people found the following review helpful:
 
9" Blackout Upper December 28, 2016
Reviewer: Anonymous Person from CO United States  
Item was shipped quickly! Product was excellent quality! The unexpected extra swag was awesome! Very happy with purchase!  This is why there company sets the standard!

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AR15 Upper Receiver Groups > BCM Upper Receiver Groups 300 BLACKOUT