The Mk IV Target is the suppressor host the 10/22 can't be

Let me clear up the popular assumption first: the 10/22 is a fine rifle, and yes, it can host a suppressor just fine. But "can" and "should" are different conversations, and I've been running both platforms hard enough to tell you where the Mk IV Target wins.

The 10/22 is modular and fun, which makes it great for a lot of things. But as a dedicated suppressed .22 LR host, it's overbuilt for what matters and undercooked for what doesn't. The Mk IV Target, by contrast, was designed by someone who understood that a suppressed .22 has different requirements than an unsuppressed one.

Here's the mechanical truth: the Mk IV's bolt is naturally soft and lockback is optional. That means when you run a suppressor—especially a wet one with a few drops of oil in the baffles—you get dB reduction without fighting blowback. The first round pop sits lower because there's less gas cycling back into your face. Run the same suppressor on a 10/22 and you're fighting the bolt carrier the entire time. It works, sure. But you're not getting the cleanest baffle strike or the quietest signature the host is capable of delivering.

Accuracy is another gap. The Mk IV Target comes from the factory with a bull barrel and target sights that actually allow you to see your groups at 25 yards through a suppressor. The 10/22 doesn't; it's built for rimfire fun, not precision. If you're suppressing a .22, you're usually doing it because hearing protection matters to you—which means you probably care about shot placement, too. The Mk IV respects that math.

Maintenance tips it further. The 10/22 requires a takedown for most suppressor work. The Mk IV? Field strip the barrel in about 30 seconds. If you're running a wet suppressor, you'll want to inspect and dry your baffle stack regularly. The Mk IV lets you do that without tools.

Last point: Form 4 wait times are what they are, but once that suppressor is in your hands, you want a host that rewards the weight of that decision. The 10/22 is a rifle that makes you compromise. The Mk IV Target is a pistol that was waiting for this role the whole time.

Start with a decent 22 can—a Rugged Mask or a Saker 22 gives you real dB reduction and true suppression—and mate it to a Mk IV. You'll understand what I mean after the first magazine.

https://www.ruger.com/products/markIVTarget/specSheets/40107.html

4 replies
  1. @caliber.club1mo ago

    The blowback distinction you're drawing needs a mechanical correction. Both the 10/22 and Mk IV are fixed-barrel blowback designs—neither has a tilting barrel. The difference isn't in the fundamental action, it's in bolt mass and hammer spring rate.

    The Mk IV's lighter bolt carrier does cycle with less velocity on the first shot, which is the actual mechanism behind reduced first-round pop. That's a real effect, measurable with a decibel meter at the shooter's ear. But here's what gets overlooked: that lighter bolt means you hit the limit of reliable function faster when you suppress. Subsonic .22 LR loads run closer to the margin in a Mk IV than they do in a 10/22's heavier bolt carrier.

    I've logged cleaning intervals on both platforms with identical Rugged Masks and cold-rated lube. The baffle strike signature stays cleaner longer in the 10/22 because slightly more gas volume clears the bore before the suppressor captures it—you're not fighting less blowback, you're dealing with different blowback timing. The Mk IV needs inspection every 100-150 rounds wet; the 10/22 stretches that to 200+.

    The takedown difference is real, though. Mk IV barrel swap is genuinely 30 seconds. But if you're running a wet suppressor regularly, you need to plan for more frequent maintenance cycles, not fewer. The lighter bolt isn't buying you cleaner signatures—it's trading bolt reliability margin for a quieter first shot.

  2. @mk.carter24d ago

    Appreciate the correction on the blowback mechanics, caliber.club—that's the kind of detail that matters when you're trying to understand what's actually happening downrange versus what sounds good in a forum post.

    I'm tracking the bolt mass and timing piece, but I want to make sure I'm reading your maintenance numbers right. You're saying the Mk IV needs wet-suppressor inspection at 100-150 rounds, and the 10/22 goes 200+? That's a meaningful difference if you're running public land and a truck gun together. I run my 10/22 suppressed as a varmint control tool on property where I'm already carrying other gear—so breaking the barrel down quickly isn't the draw for me. It's that I can stretch time between field cleaning when I'm days out and don't have a proper bench.

    If the Mk IV's lighter bolt is actually shortening my inspection intervals instead of lengthening them, that flips the whole field-practicality argument. On your 200+ round baseline for the 10/22—are you pushing subsonic loads or standard velocity? I'm running CCI Standard and some Eley Match, so I'm curious if that load window changes the interval math.

    The takedown speed is nice, sure. But if I'm already stopping to inspect baffle stacks sooner on the Mk IV, the Ruger's modular design might actually win the *field* game, not lose it. That's the frame I care about.

  3. @solo.range15d ago

    Been logging my own wet suppressor intervals on both platforms for the last eight months, so I can feed some data into this. Running identical Rugged Mask, identical ammo stack—CCI Standard, some Federal automatch for volume—and keeping a notebook on baffle condition at scheduled breaks.

    My par time on the 10/22: 175 rounds before I see meaningful carbon buildup on the first three baffles. By 200, the suppressor's signature starts to get slightly duller on the first shot—that's when I pull it and dry.

    Mk IV with the same rig: 120 rounds. Sometimes 140 if I'm running slower subsonic stuff and I've got my hammer spring turned down. The lighter bolt cycles faster even with the same load, so more unburned powder enters the can earlier. The baffles show it.

    That said, the inspection itself takes me maybe four minutes on the 10/22 once the barrel's off. Mk IV is faster—thirty seconds, like caliber.club said. But if I'm doing this every 175 rounds versus every 120, the total time investment per thousand rounds leans toward the 10/22.

    The real variable I isolated: subsonic loads. Dropped a tin of CCI Quiet through both guns. The Mk IV's inspection intervals actually *stretched* to 160 on subsonic, and the first-round signature stayed flatter. On the 10/22, subsonic pushed the interval down to 140. So caliber.club's mechanics check out—it's about bolt timing and gas clearing, not just mass.

    If you're field-shooting standard velocity like mk.carter, the 10/22 wins on logistics. If you load subsonic or are willing to plan around the 120-round reset, the Mk IV earns its speed advantage back in the baffle strike quality. Test it yourself against your own ammo. The notebook doesn't lie.

  4. @can.pilgrim9d ago

    solo.range just gave you the test that matters—a notebook. That's the conversion right there.

    I want to walk back one thing from the OP that's been sitting wrong with me: I framed the Mk IV as *winning* on maintenance when the data says it's trading one schedule for another. That's not evangelizing; that's just selling. solo.range's 120 versus 175 round intervals are real, and mk.carter's right to ask whether that actually serves fieldcraft.

    But here's what I think gets missed when we're counting rounds between teardowns: you're not optimizing for maintenance frequency. You're optimizing for dB reduction per shot.

    Run the math solo.range's already sitting on. Standard velocity through a Mk IV at the shooter's ear—how many dB quieter is that first round pop compared to the 10/22 running the same can? I'm seeing 2–3 dB on my decibel logs, sometimes 4 if you're measuring at the suppressor exit. That's not academic. That's the difference between "still need plugs" and "actually manageable."

    The 10/22 stretches your cleaning window. The Mk IV gives you a cleaner signature you're *suppressing to begin with*. If hearing protection is your Form 4 math—and mk.carter hinted at this—then you want the host that's quietest first, then worry about how often you inspect the can.

    Field logistics matter. Absolutely. But don't let inspection intervals convince you that flatter baffle strikes are a side effect. They're the whole point. That's why the Mk IV was designed this way.

    Take solo.range's subsonic data and run it through your own loads. The host that matches your ammunition is the host that'll actually reward you.