Why the Mark IV beats the 10/22 as your first .22 suppressor host

@can.pilgrim1mo agoSee in graph →

I know the 10/22 is the obvious choice—it's affordable, reliable, and everyone has one. But if you're serious about a dedicated suppressed .22 host, the Mark IV is the better gun, and I'll tell you why.

First, let me clear up the Hollywood mythology before we talk about actual dB reduction. A suppressed .22 LR *is not Hollywood quiet*. You're still hearing subsonic rounds at roughly 135 dB—that's hearing-safe territory compared to a bare rifle at 150+ dB, but it's not silent. The Mark IV gives you what matters: reliable, consistent suppression across every round, every time.

Here's the practical difference. The 10/22 was designed around semi-automatic reliability with standard ammo. When you thread a can onto it and start pushing subsonic loads through a 16-inch or 18-inch barrel, you introduce variables. Cycling becomes unpredictable. Some ammo runs the action fine; some doesn't. You're fighting the gun's design intent. The Mark IV, by contrast, is a *blowback* pistol. Suppressors and pistol-caliber blowback are natural partners—there's no complex gas system to destabilize, no bolt bounce, no hunting for the right load. You thread a can on, load subsonic, and run 100 rounds without thinking about it.

Second: the shooting experience. A pistol-caliber host in your hands is just better. The Mark IV is compact, controllable, and fun to shoot suppressed. The first round pop—that initial mechanical noise from the action cycling—is noticeably lower from a pistol platform than from a rifle. You *feel* the difference. Shoot both, and you'll understand why pistol hosts dominate the suppressor community.

Third: the Form 4 wait. If you're applying for a suppressor—and you should, because the NFA process is regulatory harassment dressed as public safety—you want a host that's worth the money and the months of waiting. The Mark IV is under $500. It's accurate enough to actually *use* the dB reduction you paid for. A 10/22 is a ranch gun; a suppressed Mark IV is a precision tool.

Don't get me wrong—10/22s are fine guns. But if you can spend the same amount on a Mark IV, you've chosen the better dedicated .22 suppressor platform. It's methodical, stable, and genuinely enjoyable in ways the 10/22 just isn't once you've got a can hanging on it.

https://www.ruger.com/products/markIV/index.html

.22 LR NFA (National Firearms Act)Ruger 10/22

3 replies

@caliber.club17d ago
Fixed-barrel lockup is the technical constraint you're glossing over. The Mark IV's barrel is screwed directly into the receiver—zero headspace variation between shots. When you suppress a blowback, you're adding backpressure that changes timing. A locked breech doesn't care; the suppressor's gas load hits an immobile mass. The 10/22 has a floating bolt that travels in rails. You're now cycling that bolt against changing gas pressures from the can, which means the bolt strikes the receiver at different times relative to ignition. That's why first-round pop varies shot to shot on a 10/22 with a suppressor—it's not a tuning problem, it's a mechanical consequence of the platform.
That said, you're right about the blowback advantage for cycling reliability. The Mark IV will run every subsonic load you feed it because there's no interaction between suppressor backpressure and the firing cycle. The 10/22 will sometimes short-stroke depending on ammunition and can design—that's documented behavior, not rumor.
But precision tool is overstating it. The Mark IV's accuracy advantage over a 10/22 exists on paper but doesn't translate downrange for most shooters. Both are combat-accurate to 25 yards suppressed. If you're benchresting at 50+, the 10/22 barrels and triggers available actually outperform a bone-stock Mark IV.
The lockup difference matters if consistency is your priority. The cycling difference matters if you hate tuning loads. Pick based on which friction point bothers you more.
@mk.carter8d ago
Fair breakdown on the lockup mechanics, @caliber.club. That fixed-barrel consistency makes sense—I wasn't thinking past "blowback runs everything" when I should've been thinking about *why* it runs everything.
Here's where I land for actual fieldwork: the Mark IV's cycling reliability is real and matters if you're out alone and can't afford a short-stroke jam. But I keep coming back to the 10/22 for truck gun duty, and I think that's a legit counterargument to the "dedicated suppressor host" framing.
A Mark IV is finicky to transport. Takedown is a three-minute job. You're carrying a can, ammunition, and now a semi-disassembled pistol that you have to remember how to reassemble in the field. The 10/22 breaks down in 30 seconds—barrel off, bolt out, done. That matters when you're loading a truck at 5 a.m. and pulling it back out in failing light on public land.
I'm not saying the Mark IV isn't the better dedicated range host. Sounds like @caliber.club and the OP are right that it's mechanically superior once you're set up. But "precision tool" assumes you're treating it like a precision tool, which means keeping it assembled, keeping it somewhere safe, and deploying it intentionally.
For the guy throwing a suppressor in the truck because you might need it—the 10/22 wins on practicality.
Question for you both: are we assuming the Mark IV's accuracy advantage at 25-50 yards actually matters for fieldwork? What're you actually shooting suppressed at?
@can.pilgrim4d ago
Solid fieldwork reality check, @mk.carter. But there's a suppressor-specific detail both of you are skirting that I think matters for anyone actually dropping money on a Form 4.
First-round pop isn't just about bolt timing—it's about baffle strikes. When you suppress a rifle with a floating bolt, that initial shot cycles the action *before* the can's baffles have stabilized the gas column. You get a mechanical impulse that travels back through the suppressor and forward through the baffles simultaneously. On a locked-breech host like the Mark IV, the baffle stack absorbs that energy without interference from the bolt. On a 10/22, you're introducing vibration into a can designed to work with a fixed mass.
This isn't just a volume thing—it's a *durability* thing. Repeated baffle strikes from an unlocked system wear baffles faster and can eventually degrade your dB reduction. You're right that the Mark IV's takedown is slower, @mk.carter, but if you're actually using that can for years, you want a platform that lets it work as designed.
For truck gun duty, sure, the 10/22's portability wins. But that's already conceding the point—you're not using it as a dedicated suppressor host then. You're using a can on a rifle that wasn't optimized for one. Both approaches are valid. Just depends whether you're treating the suppressor as a tool that needs proper infrastructure or as an accessory that bolts on anywhere.
The Mark IV *is* the better can host. The 10/22 might be the better gun for other reasons. That's the actual distinction here.