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Description

Please Note: This upper assembly has a barrel less than 16” in length. These uppers are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law. 

Does NOT include BCG and Charging Handle.
The Radical Firearms 10.5" .300 Blackout Barreled Upper Receiver Group is a law-enforcement grade, drop in receiver, ready to be mounted to any MIL-Spec AR-15 lower receiver. This fully mil-spec compliant receiver provides a high-quality upper for any level budget shooter. Ideal for AR-15 Pistols and registered Short-Barreled Rifles, this barreled upper does NOT include bolt carrier group and charging handle. 

Key features, 
- 10.5" 41V50 Chrome Moly Vanadium Steel barrel, with HBAR contour, Pistol gas system, and Melonite finish.
- 5/8x24 Thread Pitch, with a 1:8 Twist Rate
- Ships with A2 Flash Hider
- 10" free float Radical Firearms/Primary Arms Exclusive M-LOK rail. 
- Made in the U.S.A. in Stafford, Texas!

Barrel Length: 10.5
Barrel Material: 41V50 Chrome Moly Vanadium Steel
Brand: Radical Firearms
Caliber Gauge: .300 BLK
Gas System Length: Pistol
Gas System Type: Direct Impingement
Handguard: 10 Radical Firearms/Primary Arms Exclusive M-LOK Rail
Muzzle Device: A2 Flash Hider
Twist Rate: 1:8

SKU#: PABU10.5-300

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Comments (2)

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I picked up a radical 16" upper with mlok rail off aim surplus for $199 to hog hunt with supers. Only took it to the range once so far but it worked great

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Radical firearms has been a stand up company, very happy with the 2 uppers I have from them, on being this 10.5 300 blk but with a FGS rail, and I love it, the 458 socom works great, there new mlok handguards are lighter then air.

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