Bushmaster Offering .300 BLACKOUT Uppers-video

Bushmaster 300 BLK
Bushmaster is now offering an upper for the .300 BLACKOUT (aka 300 BLK or 300 AAC BLACKOUT) cartridge.  The uppers use a light contour barrel with a black Melonite coating.  Barrel length is 16″.
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The AAC Blackout 51T ratchet mount flash hider is used on these uppers.  The upper receiver has a flat top with Picatinny rails for mounting a wide range of optics and iron sights.  The gas block is low profile and does not have a built in front sight post.
Bushmaster 300 BLK
The handguard is a quad-rail allowing for the addition of many different accessories such as a white light or laser.  MSRP is $869.  In current market conditions, prices could be higher than the MSRP, assuming Bushmaster ships these in any quantity.
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MODEL

 Flat Top Receiver – 16″ M4 BBL 300 AAC BLK – Quad Rail
Order #92866
Caliber 300 AAC Blackout (7.62x35mm)
MSRP$869.00