• Caliber 300 Blackout. Action Semi-auto, Gas Piston. Operating System Closed rotating bolt, long gas stroke on piston head. Barrel Material Cold hammer forged, CrMoV, chrome lined. Barrel Length 16 ½". Overall Length 26 ⅛". Weight 7.9 lbs. Rifling Right hand, 6 grooves, 1:7 inch twist.
  • Ballistic Advantage 9" .300 Blackout Barrel - Performance Series: Ballistic Advantage 9.5" .300 Blackout Pistol Length Barrel: Ballistic Advantage 10" .300 Blackout Pistol Length Barrel: $190.00. $160.00 (1) $165.00. Ballistic Advantage 10.3" 300 Blackout BA Hanson Barrel w Lo Pro: Ballistic Advantage 10.3" 300 Blackout BA Hanson Barrel w Lo Pro
  • '-Manufactured by Diamondback Barrels Co. - Chambered in 300 AAC Blackout - Gas System: Pistol-Length - Length: 16" - Contour/Profile: Heavy - Material: 4150 Chrome Moly - Coating: Black Nitride - Twist: 1:8 - Thread: 5/8 x 24 - Rifling: Button Rifled 6-Groove Bore - M4 Feed Ramps - 11? Target Crown'
  • The PSA 16" .300 Blackout Upper Receiver is a good choice for an upper if you want a carbine-length upper receiver. It's built out of 7075 T6 aluminum and has an M4-type design complete with a .300 Blackout bolt carrier group, forward assist, hand guard, and a barrel.
  • 300 Blackout - - Rated 5 based on 7 Reviews "This is a great place to buy your upper or lower and parts. they have great customer service there t..."
  • Anderson 16″ 300 Blackout Upper. I've built a few AR-15s with Anderson lowers, and they have always performed well. So when it came time to start shooting 300 Blackout, I thought I would give their uppers a try! Talking with Anderson, it sounded like the best "all-rounder" would be a 16″ setup...
  • Home > PRODUCTS > UPPERS > BARRELED UPPER (NO BCG/CH) > .300 BLACKOUT: FGS FCR FQR MHR RPR Like Radical Firearms on Facebook. FollowRadical Firearms on Twitter.
  • The Radical Firearms 16" .300BLK SOCOM Upper Receiver is a flat top, 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 or shooter.

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AR-15 Upper Assembly - .300 AAC Blackout (16" Parkerized Barrel & 13.5" M-Lok Handguard, 1:8 Twist)
The DPMS 300 AAC Blackout Upper Receiver Assembly comes completely assembled and ready for installation on any compatible lower receiver. It is an excellent entry-level upper assembly that incorporates the versatility of the A3 Flat-Top configuration in selecting a preferred sighting arrangement with a solid, fully functional foundation of ...

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10.5 inch AR-15 NR Side Charging 458 Socom Pistol Length M-LOK Melonite Upper w/CAN ... 10.5" 300 blackout upper performed superbly today, thing is light and shoots ...
The Radical Firearms 16" HBAR profile 300BLK is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with our 15" RPR free

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Diamondback DB15 .300 AAC Blackout 16 Inch Barrel 12 Inch KeyMod Handguard Rogers Super-Stoc Black Finish 30 Round $649.99 Out of stock Mossberg Model 464 SPX Lever Action .30-30 Winchester 16.25 Inch Barrel With Flash Suppressor Matte Finish Fiber Optic Sights Black Synthetic 6-Position Adjustable Stock 5 Round $499.99 Out of stock
BCA AR-15 Pistol Barrel: 10.5″ Heavy Barrel, W/ 1:7 Twist, .300 Blackout, 4150 Steel Parkerized Finish. Threaded Barrel 5/8″X24 tpi with carbine length gas…