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22LR Subsonic Ammo Opinions

916 Views | 12 Replies | Last: 9 days ago by JB!98
JuneBug07
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After 28 months, I was finally approved for my 22LR can. Now I need to find the most reliable sub sonic ammo for cycling my M&P 22-15.

I have a bunch of 1200-1300 fps ammo that cycles great, but is obviously not sub sonic. It is still pleasant when suppressed.

CCI Quiet 22 is movie silent suppressed, but will not reliably cycle in my rifle.

These were the options I had on hand when I tested the suppressor today, but I wanted some opinions before placing a bulk order.


Morpholino
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The CCI 45gr 970fps cycle my 15-22 with a suppressor. It's not movie quiet like the 710fps ones.
oklaunion
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CCI Standard is subsonic.
SharkinAg
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oklaunion said:

CCI Standard is subsonic.

95% of the time lol. Every now and then one will let loose. I shoot cci subsonic when hunting small game. When plinking I shoot standard. They also make a segmented subsonic round that is deadly.
BCStalk
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Been pretty happy with CCI clean subs.
bam02
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28 months!
JuneBug07
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BCStalk said:

Been pretty happy with CCI clean subs.


This looks like it fits the bill. Thanks!
AvsB
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CCI SV should be subsonic out of a 16" barrel. But like mentioned above you might get one every so often a bit hot. I don't have a 15-22 but do have a 16 22lr build with CMMG bolt and BoreBuddy hop up parts. Super quiet with SV ammo, Sparrow suppressor and BB "quiet collar"
RIP ATMHockey
JuneBug07
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bam02 said:

28 months!


I think majority of the problems stemmed from incompetence at the local BCS dealer I used.
Once the gun shop had their crap in order, the ATF was pretty responsive and quick with the approval.

Said dealer just kept telling me that this was normal and they had customers that were waiting even longer than me for approval.

Turns out they never submitted my form when I originally purchased the can. No less than a dozen times over the course of the next 18 months did I ask them if everything was submitted properly. Finally I asked for a re-submit and they did. Within a few days I received an email from the ATF that my application was in process. I never received this for the first 18 months after the original purchase, which leads me to believe that that gun shop never submitted my form.

About 4 weeks after the ATF received my application, it was denied because the idiots at the vendor of the original purchase never sent my fingerprints with the application, even though I had to pay 50$ for digital fingerprint scans. After the denial, the approval came 3 days later after the local shop sent my finger prints.

Long story short, just use Silencer Shop. The process is easier and local shops will not save you any time or money.

I see my timelines don't line up. The dates were a a little fuzzy because it took place over the course of 2 plus years, so I went through my emails and found the hard dates. Actual timeline was 27 months.

The facts are this. Can was purchased on 8/19/22.
No acknowledgement of submittal from ATF until 10/1/24 after repeated requests for submittal info/status from dealer. On 11/12/24 my form was denied due to fingerprints not being submitted.
On 11/13/24 I received another email that I had a form submitted for the same can I purchased in 2022.
On 11/15/24 I was approved.
kyledr04
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I've used all the brands I could get my hands on. No issues with a Ruger mark IV. Just try whats available and cheapest.
Mr. Dubi
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CCI SV is the best bang for the buck. Any standard velocity will be subsonic though. Aguila SV is a little hotter at 1130 fps,
jmazz
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https://www.cci-ammunition.com/rimfire/cci/22-suppressor/6-957.html

https://www.cci-ammunition.com/rimfire/cci/sub-sonic-hp/6-56.html

These both cycle suppressed in my M&P 15-22. Every once in a while one might hang up but it's not very often.
JB!98
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Do not mean to derail the thread, but speaking of 15-22's. The ejector on mine finally broke (fell out). Any suggestions on a good replacement?
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