Ruger Brings Back The SP101 In .327 Federal Magnum

Good news for .32 cal fans; Ruger has re-introduced its SP101 revolver in the .327 Federal Magnum caliber. From the press release:

Sturm, Ruger & Company, Inc. (NYSE-RGR) is pleased to introduce the SP101® in .327 Federal Magnum. The Ruger® SP101 in .327 Federal Magnum is a six-round, small frame, double-action revolver with a 4.2 inch barrel and adjustable sights. Built from stainless steel, this new model features a light-gathering front sight, windage and elevation adjustable rear sight, and a rubber grip with checkered hardwood inserts.

“The SP101 has a reputation for being a very strong and reliable revolver and combining it with the powerful .327 Federal Magnum cartridge creates a perfect “kit gun” package,” said Chris Killoy, Ruger President and Chief Operating Officer. “The compact size of the SP101 makes it the ideal companion while in the woods or afield, and the longer barrel helps the .327 Federal Magnum cartridge reach its velocity potential,” he concluded.

The 29.5-ounce, SP101 can be fired in either a double-action or single-action mode, and includes Ruger’s triple locking cylinder that locks the cylinder from the front, rear and bottom for reliability and durability. The rubber grip assures positive control while reducing recoil, and the Ruger transfer bar mechanism provides a measure of security against accidental discharge.

I think the .327 Federal Magnum is a very good idea that came a bit too late to be really popular. By the time of its introduction in 2007, compact revolvers had begun to give way to compact semiautomatics on the market.



.327 Federal Magnum. This ammunition is roughly equivalent to 9mm +P. Image source:


However, there’s a lot to be said still for the SP101/.327 Federal Magnum combination. From a 3″ revolver barrel, the .327 Federal Magnum produces energy levels quite comparable to 9mm +P from an equivalent semiautomatic barrel (about 5.2″), while providing additional sectional density. Given that the gun is not tremendously bigger than a Glock 26, and in that caliber is a true “six shooter”, it’s certainly nothing to scoff at. also has an article on the .32 cal SP101, available here.

Nathaniel F

Nathaniel is a history enthusiast and firearms hobbyist whose primary interest lies in military small arms technological developments beginning with the smokeless powder era. In addition to contributing to The Firearm Blog, he runs 196,800 Revolutions Per Minute, a blog devoted to modern small arms design and theory. He is also the author of the original web serial Heartblood, which is being updated and edited regularly. He can be reached via email at


  • SD3

    Jee-bus. I have enough trouble finding .357 for sale. Where are we supposed to find .327?

    • Giolli Joker

      In the shops that have it in stock and have nobody to sell it to…

  • Necro_Atrum

    I want to see a lcr in 327

    • Tim Pearce

      Yeah, but that would make too much sense. New good ideas aren’t allowed in the shooting world.

    • Paul O.

      Really good idea!

    • FatKid

      And a 77/327 bolt action carbine.

    • Blake

      They did do a GP100 in it a while back:

      More info on the background behind Ruger’s 327 Fed developments (& a lovely single 7):

    • J-

      The problem was the alloy frame wasn’t strong enough. The steel frame is so maybe. I had a 327 when it came out. I sold it. Ammo was spendy and hard to find. 32 HR was even rarer so there was no good low recoil practice ammo. I found I was much happier with a good old 38+P/357 snub and all the 38 target ammo I could get at Walmart.

  • Tim Pearce

    I have one of the previous generations of this gun, and I really enjoy it, but it’s right at the wrong length. I’d like to replace it with one that has a 2″ barrel, and one that has a 6″ barrel. Naturally, I missed my chance to do the first (barring a rare find of a S&W Pro Series snubby that the owner isn’t trying to get $1200 for).

  • Beju

    Maybe I’ll pick one up so that I’ll have a gun I can buy ammo for if ‘inevitable Obama 2008 election victory’ style panic buying ever sets in again. (“No 9mm, no .45 ACP, no .38 Spl, what do they have? .357 SIG and… the eff is .327 Federal Magnum?”).

  • Dilby

    And quickly ruin all of the fun by not having any longer barreled options

  • JumpIf NotZero

    I have that exact SP101 in 357. Only revolver I own, makes an excellent back country gun! Lighter and handier than the GP-101. 44mag is more appropriate for where I go, 357 is the “bear” minimum, but I like the idea of a hot 32, but not enough to support another caliber!

    • Swarf

      I have one in .357 also. Definitely my favorite revolver. Maybe my favorite handgun.

      I was worried about the front sight at first, but the sights are, in fact, pretty damn great.

      • JumpIf NotZero

        Yea, I wouldn’t change it out, the front sight is great. I do like the non-adjustable GP-100 sights, more similar to the sights on my autos, but I’m not going to both looking into swapping that on.

        My issue was the grip was tiny because it’s a small frame. Bought the last set of Traush grips I could find so now I have a GP-100 sized grip on my light and handy hiking gun, love it.

        I think I probably have 700-800 rounds down mine, which is something for a 5 shot gun 🙂

        • Swarf

          You know, it’s weird; I have large hands (I barely fit in to the XL Nitrile gloves at work), but for whatever reason, the small grips on that particular gun still work for me.

          • JumpIf NotZero

            I wear large nittrile and it was bad on me. I must be at the peak of the curve before it goes back the other way 🙂

  • Don Ward

    Nathaniel (and TFB) finally writes something about new revolver offerings.

    Gets really excited.

    Then notices the date.

    Wait a second…

  • Swarf

    Ruger Brings Back The SP101 In .327 Federal Magnum

    …for some reason.

    Stop trying to make .327 happen. It’s not going to happen.

  • “Good news for .32 cal fans”
    Six people are rejoicing.

    • Don Ward

      I watched the documentary “Death Wish” and the cautionary tale it recounted. .32 revolvers are awesome!

      • Don Ward

        Rejoice! Or else…

    • Blake
  • dan citizen

    .327 federal magnum has an interesting development history….

    “How can we get the ballistics of 7.62×25 tokarev in a rimmed round?”
    “How about we just add 3mm to the .32 H&R magnum?”

  • Sulaco

    A solution in search of a problem…

  • MountainKelly

    Mmm. Still a fan.

    Also during the scare a few years back sooo many people bought .327 misreading it as .357. Many laughs

  • MountainKelly

    I keep thinking this is an April fools joke but… I can see it happening

  • Rodford Smith

    I would definitely be interested in one of these. Especially if it came with a lever or bolt action carbine.

  • Jack Burton

    I’d be way more interested in a six-shot .38 model…

    • Nicks87

      They already have it. It’s called a GP-100.

      • Jack Burton

        Yeah, no thanks. The GP-100 is far too bulky for a .38. Also, while I don’t doubt the improvement in ballistics I’m just not all that interested in high pressure boutique rounds like .327 – the .357’s recoil doesn’t bother me. The noise, on the other hand…

  • Torrorojo

    This makes sense to me

  • sam

    Good idea, but I’d like to see it taken further: like a hot, 47,000 psi or so, rimmed, straight-walled 28 caliber. For… reasons.

  • Anon. E Maus

    I wanted them to remake the Security Six, in .327, with seven chambers, and call it the Security Seven.

    Oh well.

  • rodgermc

    Well, I for one have been waiting for this. Missed out the first time around. But why only one barrel length? This is promoted as a defensive caliber – needs a shorter barrel without the adjustable sights. In regards to who wants it – check the prices on the old ones with short barrels on gunbroker – ridiculous and they’re selling. Ammo? There’s plenty of it from what I see.