Ruger Revolver GP-100 .327 Magnum Revolver

Ruger GP/100 .327 Magnum

Seven Shot Revolver 4.2 inch barrel

Talo Exclusive

Lets do this first:


I love this gun. It is spectacular.

Now for the details.

If you are thinking of a small light weight handgun with more punch than the .38 Special/9mm, perhaps for for your wife or daughter,

If you are thinking of a concealed carry perhaps smaller than a .357 Mag or a secondary hideout,

If you are thinking of something for your wife to carry in her purse,

If you are thinking of a lady's or young persons first revolver for learning to shoot,

If you are thinking of something with significant punch but less recoil or blast than the .357 mag.

This is NOT IT.

This thing is BIG. It is Heavy.

It is as large as and only one single ounce lighter than the Smith and Wesson Model 57 .41 Magnum.

Recoil and muzzle blast is only slightly less than the .357 Magnum.

Your wife and or daughter will very likely not like it.

It is a fine piece of machinery. It is well made. Fit and finish are excellent. The single action trigger pull is very crisp four and one half pounds. The double action pull is very smooth and easy to control.

This gun is a shooter.

Ruger SP 100 .357 Magnum

Factory Ammo at 25 yards.
American Eagle 100 gr. jacketed soft point.

That looks like eight holes but it is only seven.

How does it punch?

1500 fps muzzle velocity
500 foot pounds muzzle energy.

Energy wise that is only 30 foot-pounds  less than the American Eagle 158 gr jacketed soft point for the .357 magnum.

In researching this, I am stunned to find that ammo for the .357 magnum I have always loved, no longer exists. All I can find is what I would call plinking or target loads. Even the personal defense loads are loaded down to 1250 fps regardless of bullet weight. None of these loads can surpass the .327 Federal Mag ammo I tested.

From the standpoint of most factory available loads, the .327 Federal Magnum is fully equal to the .357 magnum.


"Real" .357 Magnum loads with the 158 grain bullet at around 1400 FPS muzzle velocity significantly out wallop the .327. As I just now discovered, these are hard to find. I did review one such load. You can see it here: Monarch .357 ammo

Ruger .327 Mag Target

Reloads at 25 Yards.

Case Federal
Primer CCI
Powder Accurate No. 9
Charge 11 gr
Bullet Lyman 311008
Sized 0.311
Weight 115gr
Est Velocity 1400fps

Ruger describes the SP/100 this way:

Strength, Simplicity and Ruggedness. Ruger® GP100® double-action revolvers are among the most comfortable shooting revolvers. Their rugged, medium-sized frame and cushioned grip system permit repeated firings with minimal shooter fatigue.

Easy on the hand and budget, all GP100 revolvers boast solid steel sidewalls (no side-plates), and frame widths that are increased with extra steel in critical areas that support the barrel, making them rugged, reliable, and dependable.

Catalog Number: KGP-4327-7 | Model Number: 1748 | Caliber: 327 Fed Mag

Material: Stainless Finish: Satin Stainless
Front Sight: Ramp Rear Sight: Adjustable
Barrel Length: 4.2" Overall Length: 9.50"
Weight: 40.00 oz. Grips: Black Hogue® Monogrip®
Twist: 1:16" RH Grooves: 6
MA Approved & Certified: No CA Approved: Yes
Capacity: 7 Suggested Retail: $759.00

Ruger web site:




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