AR-STONER AR-15 Side Charging Upper Receiver Assembly Gen 2 300 AAC Blackout 16″ Barrel with 15″ M-LOK Ultralight Handguard



Buy Receiver Assembly Gen 2 300 AAC Blackout Online

The Receiver Assembly Gen 2 300 AAC Blackout in 300 AAC Blackout delivers precision accuracy at an affordable price. The machined billet aluminum upper receiver is combined with an extruded aluminum free float M-LOK handguard, and both are hard coat anodized.

Why is 5.5 inch 300 blackout complete upper better than 223?

The 30-caliber bullet that the 5.5 inch 300 blackout complete upper fires have the potential to be three times heavier (or more) than the 223 rounds. The additional weight makes it less likely to wander in the wind. The 208 gr Hornady A-Max, with a BC of 0.648, is one of the heaviest subsonic bullets for the Lwrc 300 blackout upper.

What’s the difference between 223 and 10.5 300 blackout upper?

The 223 Rem and 10.5 300 blackout upper differ significantly in their calibers. The bullets of the 223 Remington and 300 Blackout, both of 30 calibers, have a diameter of 0.224″ and 0.308″, respectively. A 300 Blackout bullet typically weighs at least twice as much as the regular 223 Remington round, which weighs 55 grains.

How far can you accurately shoot 300 blackout upper 12.5?

The maximum effective range of 300 blackout upper 12.5 from a 16-inch barrel, according to M4 military regulations, is 460 meters. 2050 fps from a 9-inch barrel:

  • At 410 meters, there is a 100-inch drop.
  • At 470 meters, there is a 41-inch drift.
  • At 625 meters, there are 291 ft-lbs of energy, making 440 meters the maximum effective range for a 9-inch.

What size barrel is best for 7 inch 300 blackout upper?

16-inch barrel

A 16-inch barrel is the most extended available barrel for the. 300 Blackout, and it is pretty effective when it comes to long-range targets. Plus, the long barrel compensates for its rather laborious maneuverability.

What makes 300 blackout upper piston so special?

300 blackout upper piston offers a broader range of projectile choices thanks to the. 30-caliber bore burns its real possibility in a 9-inch barrel and is a much better option for hunting. It also can cycle both super and subsonic ammunition without modification.

  • Gen 2 Bolt Handle
  • Chambered in 300 AAC Blackout
  • 16″ Heavy Contour Barrel

Made In the United States of America


Product Information

Color Black
Finish Anodized
Material Aluminum
Weight 4.68 Pound
Barrel Length 16 Inches
Twist 1:8 Inches
Threads 5/8″-24
Barrel Contour Heavy
Barrel Finish Parkerized
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Carbine
M4 Feed Ramps Yes
Upper Receiver Type Side Charging Gen 2
Barrel Material 4150 Chrome Moly Vanadium Steel
Handguard 15″ M-Lok Ultralight
Bolt Carrier Assembly Included Yes
Muzzle Device Flash Hider
Country of Origin United States of America

Delivery Information

Shipping Weight 5.880 Pounds



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