75090 First off, its a very versatile load with projectiles weights ranging from 110 grains to 220 grains. Pair of .300 BLK Uppers Summary of Our Top Picks Most Affordable PSA .300 Blackout Uppers PSA does it again with sub-$200 uppers that work. BCM Standard 14.5" M4 (SOCOM) Upper Receiver Group W/QRF 7 Quad Rail $610.00 What to look for in a Quality .300 Blackout Upper, Aero Precision M4E1 Assembled Upper Receiver, A Ballistic Comparison of 5.56x45mm vs. .300 AAC Blackout, The American Firearms Guide to Shotgunning. Check out all the .300 BLK Complete uppers here or just the barrels if youre looking to build your own. Before resting its case-in-chief, Alex Murdaugh's defense team called Timothy Palmbach to the stand. Quick View. The .300 Blackout is here to stay. Aero makes gear that works, and these uppers are perfect for your next .300 BLK build or to convert your 5.56 rifle. Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group. AR15 300 BLK upper receivers are a great way to change to a larger caliber without the need for a ton of new parts. I love Ballistic Advantage 5.56 barrels (full review) for the right mix of performance and affordability. I list the best choices in terms of value, performance, design, and cost. The QPQ nitride finish with an additional NP3 coating makes this barrel nearly impervious to surface wear, rust, and corrosion. We'll only use the information provided according to our privacy policy. Every length has a problem its solving, but the 10.3 inch is the go-to and most versatile.. To convert your standard AR into a .300 Blackout rifle, it's as simple as swapping out the upper . Shop BCM 300 Blackout AR uppers. Select options. For the best experience on our site, be sure to turn on Javascript in your browser. We hate SPAM and promise to keep your email address safe. All Rights Reserved. All rights reserved. The .300 BLK also reaches peak ballistic potential from a 9-inch barrel. LAR-15M .300 AAC - Rock River Arms For military and law-enforcement applications, a .300 Blackout-chambered M4 is a marvelous sub-gun replacement, with a cartridge considerably more effective than a 9mm pistol-caliber MP5. SBR? The PSA 8.5 .300 Blackout is a solid upper receiver if you are looking for a compact pistol length option. Read on to see how to get your standard 5.56 AR-15 ready to use .300 BLK. BCM Standard 20 Government Profile Upper Receiver Group $439.00 Out of Stock. Were reader-supported, which means we may earn a small part of the sale from links to any products or services on this site. One of our trained professionals will get back to you within the next 24 hours. LAR-15M Complete Upper Halves .300 AAC Blackout. How we select gear. Best .300 Blackout Barrels: Ultimate Guide for Shooters The M-LOK rail is fantastic and provides more than enough room for accessory attachment. Results for 300blackout upper - OpticsPlanet And at close range, the 5.56mm, frankly, is an awful round. Notify me of follow-up comments by email.