No ears needed. For home defense you are better off with a 9mm pistol or carbine loaded with 147grn hollowpoints. My 7.5 .300blk does not require ear pro with subs. Sig Sauer MCX . In this review, the Half Nelson performance metrics depend upon suppressing a subsonic intermediate rifle cartridge. Again, it goes back to the purpose of the round and shows how a long range varmint round, as was the original intent of 223 Remington, cannot be justly compared to a slower, heavier bullet like the supersonic 300 Blackout. Either way shooting a gun is going to damage your ears but the 5.56 is def one of the loudest rounds. As a subsonic suppressor host or as an intermediate hunting caliber, we expect to see 300 Blackout stay around for at least another half a century. In its supersonic loading, 300 Blackout shares similar characteristics with the 7.62 X 39mm round which has often been set up as the rival of 5.56 NATO for the past 60 years. Hold up an AR like youre about to shoot it, with the bolt locked open. Hunters typically dont wear ear protection when traveling out in the field, either. Whatever suppressor I choose will be dedicated for 300 Blackout and I will only be shooting 300 Blackout subs (220gr) through it exclusively. And a happy neighbor is well worth the investment, trust me. That makes it one of the best multi-caliber suppressors in its class, so it will be right at home on a variety of other rifles, too. 300 BLK has one distinct advantage over 30-30 Winchester in that 300 Blackout can use more effective Spitzer type bullets, where this is a rarity in most rifles chambered in 30-30 Winchester due to the use of a tubular magazine found on most lever action rifles chambered in 30-30 Winchester.. Just like mufflers, there is no one size fits all solution for silencers. Unsuppressed and suppressed sound signature ratings are shown for both the shooter and bystanders. Oh, and shooting subsonic .300 Blackout through an AR with a suppressor? Compare the db difference between super and subsonic ammo while suppressed. Terminal ballistics for both rounds as a military cartridge will be compared ad nauseum. The suppressor is optimized for use with . There are other significantly different early-time signature characteristics as well, to include delayed first round gas jetting with the Half Nelson, which result in different suppression performance. 8 a.m. - 6:30 p.m. | Fri. 8 a.m. - 5 p.m. | Sat. max db reduction for subsonic : 300BLK - Reddit It also knocks down noise better than many comparable choices, and is able to a 300 Blackout to 119 decibels- approximately a 40 decibel reduction. Its possible to shoot both subsonic and supersonic rounds through suppressed firearms. For me, supersonic suppressed is ideal. Ill see how it works. BEST BUDGET OPTION: Silencerco - Omega Suppressor Multi Caliber Quick Detach. SILENCER SATURDAY #37: Subsonic 300BLK Shootout. In its subsonic loading it has been compared with both subsonic 9mm and 45 ACP. 9mm suppressed is around 125-126 dB. This is a somewhat atypical sequence observed when firing subsonic 300 BLK ammunition from a bolt-action weapon system with an attached silencer. The Hearing Protection Act of 2017, Sportsmens Heritage and Recreational Enhancement (SHARE) Act, and SHUSH Act, although unsuccessful so far, have sought to amend the current laws to deregulate and treat silencers like other firearm accessories.