![]() The CCI Quiet-22 Long Rifle 40 grain ammo is very. Sourcing subsonic 9mm in the field can be a pain. 22 silencers out there, but we insist on carrying only the best. 45, among other things, is the default subsonic round. 45 is always subsonic unless, I guess, you get +P++ or something. I meant there was a slight reduction with a can between sub & non-sub loads, but not enough to bother buying subsonic stuff for. So, 9s are supersonic unless you get subsonic ammo. No guessing, no hearsay, no rumor, and please don't read things into what I wrote that I didn't say. These are chronograph results (except for the CCI Standard Velocity solid) that I obtained myself at 4500 feet in elevation, and sound results from a computerized lab setup using military testing protocols at Silencerco's lab in Utah. Remington 22 Subsonic Big Green has been making reliable rimfire rounds for decades with a long lineage of dependability to show for it. Other guns with longer barrels, possibly. I also said, based on those results, I see no point in wasting money or effort in chasing down "subsonic" marked. Indoors, no ear discomfort whatever using the suppressor because there was no sonic boom & the suppressor worked quite well in reducing sound levels across all loads tested. We used earmuffs in the lab while shooting without the can, and then removed the muffs for shooting with it. If you’re talking domestically produced stuff you can buy at your local shop, CCI Standard Velocity. The pistol started out much louder at 155.7 dB with Federal ammunition and 154.45 dB with Remington Subsonic. If cost isn’t a factor, Lapua X-Act or Eley Tenex are THE best subsonic ammo. ![]() The story is different with the Walther P22. Nowhere did I say there was no difference in sound levels between the loads, there certainly was. I should point out that the unsuppressed 10/22 rifle started out at 141.3 dB with Federal ammunition and 139.6 dB with the Remington Subsonic. CCI Small Game 40 Grain Lead Hollow Point 22 long Rifle Ammo. Make the report of your firearm even quieter with this selection of ammo. Popular Subsonic Ammo for Sale Subsonic 22 Long Rifle: CCI 40 Grain HP Subsonic 22 long rifle loads. With those 8, and one more standard vel load Silencerco had on hand that I hadn't originally, we later tested, in the Silencerco lab, that same pistol with those same loads first to establish a baseline with each WITHOUT the can, and then repeated the process WITH the can, using the same Silencerco Sparrow suppressor. Pair your suppressed pistol, rifle or rimfire firearm with the best subsonic ammunition to deliver quiet yet powerful performance. With 8 loads of varying speeds I first chronographed them through my P45GMK3RP Ruger 22/45 with a 4.5-inch barrel without a can, then with a Silencerco Sparrow suppressor mounted.ĪLL WERE SUBSONIC IN VELOCITIES, BOTH WITH & WITHOUT THE CAN. I thought I stated it quite clearly, apparently not.
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