Sig Sauer P238 Rainbow 380 ACP – Superb Titanium Pocket Pistol

Description

The Sig Sauer P238 Rainbow 380 ACP is a 1911 shrunk down until it fits in a front pocket, and then finished in something nobody expected. The lockwork is pure single action: a hammer you can see and cock, a thumb safety on the frame, and a short crisp trigger break that owes nothing to a striker or a long double action pull. The rainbow titanium slide is what people notice first, but the reason this pistol has stayed in the catalog is the trigger.

A Miniature 1911 In 380 ACP

The P238 runs a locked breech single action only action with an external hammer and a frame mounted thumb safety, exactly the way a 1911 does. For anyone who already shoots a 1911 the manual of arms transfers directly: thumb safety off, hammer already cocked, press a short light trigger. That is a meaningfully different experience from the long heavy pull most pocket pistols in this caliber deliver.

Because the action is locked breech rather than straight blowback, felt recoil in 380 ACP stays mild despite the 15.2 ounce weight. Most tiny 380s are blowback guns that snap hard in the hand; this one does not, and that difference shows up in how quickly a shooter can put a second round where the first went.

Dimensions are what make it a pocket gun. Overall length is 5.5 inches, height is 3.9 inches and width is 1.1 inches. As an alloy frame pocket gun it disappears in a pocket holster or an ankle rig in a way no compact 9mm can.

Sights, Grips And The Rainbow Finish

SIGLITE night sights come standard, which is unusual on a pistol this small. Tritium lamps front and rear glow on their own in complete darkness, and the sights are removable and adjustable for windage rather than being molded into the slide. Sight radius is only 3.8 inches, so the tritium dots do a lot of work in making the front post easy to find.

Black G10 grip panels cover the alloy frame. G10 is a fiberglass laminate that holds a texture without wearing through a pocket lining, and it stays dimensionally stable in heat and humidity in a way wood does not. The frame itself is hard coat anodized alloy, which is what keeps the weight down.

The rainbow titanium finish on the stainless slide is a physical vapor deposition treatment rather than a paint or a plating. Titanium nitride layers refract light into shifting color, so the slide reads blue, purple and gold depending on the angle. It is also a hard, wear resistant surface, which is the part people tend not to expect from a finish that looks like this.

Sig Sauer P238 Rainbow 380 ACP Specifications

• Manufacturer: Sig Sauer
• Model: P238 Rainbow, part number 238-380-RBT2
• Caliber: 380 ACP
• Action: Single action only, semi automatic, locked breech
• Barrel Length: 2.7 inches, carbon steel
• Overall Length: 5.5 inches
• Height: 3.9 inches
• Width: 1.1 inches
• Weight: 15.2 ounces
• Sight Radius: 3.8 inches
• Capacity: 6 plus 1
• Magazine Included: One 6 round steel magazine
• Sights: SIGLITE night sights, removable and adjustable for windage
• Slide: Stainless steel with rainbow titanium finish
• Frame: Hard coat anodized alloy
• Grips: Black G10
• Trigger: Standard curved, single action only
• Manual Safety: Yes, frame mounted
• Rail: None
• UPC: 798681683338

One practical note: the pistol ships with a single six round magazine. Anyone planning to carry it should buy at least one spare, and Sig offers both flush fit and extended seven round versions. The extended magazine adds a finger rest that makes the grip noticeably more controllable on a gun this small, at the cost of a little more printing in a pocket.

Why Buyers Choose The Sig Sauer P238 Rainbow 380 ACP

Buyers choose the Sig Sauer P238 Rainbow 380 ACP for the single action only trigger before anything else. A short, light single action break on a pocket gun is rare, and it is the single biggest factor in whether someone can actually hit with a 2.7 inch barrel under pressure.

The locked breech action is the second reason. It keeps recoil civil in a pistol that weighs less than a pound, which means a shooter will actually practice with it instead of putting it back in the safe after a painful box of ammunition.

And the rainbow titanium slide is a real draw. Most pocket pistols are anonymous black lumps. This one is a piece people ask about, and the finish is a durable PVD treatment rather than something that will scratch off in a pocket.

Who Should Buy The Sig Sauer P238 Rainbow 380 ACP

This pistol suits a deep concealment carrier, a 1911 shooter who wants the same manual of arms in a backup gun, and anyone who finds a small striker fired trigger hard to shoot well. At 15.2 ounces and 5.5 inches long it goes in a pocket, an ankle holster or a purse rig, and it is small enough that people actually carry it rather than leave it home.

Full manufacturer specifications for the Sig Sauer P238 Rainbow 380 ACP are published by Sig Sauer on the official product page. Browse more Sig Sauer pistols and carry guns in our handguns category.