Kimber Khx Custom OI 9MM 5 Inch 91 Stainless Slide

About this product

The Kimber KHX Custom OI is a full-size, 1911-pattern 9mm pistol with a bright stainless steel slide milled to accept a Trijicon RMR Type 2 red dot at the factory — the "OI" in the name stands for Optic Installed, meaning the RMR ships already mounted rather than as a separate accessory you have to fit yourself. Kimber's own press materials document a $2,060 MSRP across the KHX Custom OI line in 9mm, 10mm, and .45 ACP, all sharing the same base price.

What does "Optic Installed" actually get you over a standard optics-ready slide?

Rather than cutting a generic footprint and leaving optic selection and mounting to the buyer, Kimber mills the KHX Custom OI slide specifically for the Trijicon RMR Type 2 and ships the pistol with that optic already fitted and co-witnessed with the sights. That eliminates a step most optics-ready 1911 buyers otherwise have to handle themselves — sourcing a compatible red dot and an adapter plate — at the cost of locking you into the RMR footprint specifically rather than leaving the mounting system open.

What are the core specs on this 9mm configuration?

This pistol runs a 5-inch stainless steel match-grade barrel with a matching stainless match bushing and a 1:16 left-hand twist, a 9-round magazine capacity, and an aluminum match-grade trigger set to roughly 4 to 5 pounds. Unloaded weight with an empty magazine comes in around 38 ounces, with a height of 5.25 inches and an overall length of 8.7 inches. The frame carries a matte black KimPro II finish with front-strap stippling for a firmer grip, contrasted against the bright stainless slide — the two-tone look this configuration is known for.

Is 9-round capacity a California issue?

No — 9 rounds falls under California's 10-round detachable magazine limit. That said, California maintains its own separate roster of handguns cleared for retail sale by licensed dealers, and premium, lower-volume 1911 pistols from manufacturers like Kimber aren't always listed. Confirm current roster status for this exact model with your FFL before ordering.

How does delivery work for a pistol at this price point?

As a firearm, the KHX Custom OI ships to a licensed FFL dealer for pickup, not to your home address, where you'll complete a background check and the standard transfer paperwork — the same process regardless of price.

Kimber has built the KHX line specifically around factory-installed red dot compatibility rather than treating it as an aftermarket add-on, which is a meaningful convenience for buyers who don't want to shop separately for an optic, a milling service, and an adapter plate before they can start shooting with a red dot. The tradeoff is a genuinely premium price relative to a standard optics-ready 1911 you'd equip yourself, but for buyers who specifically want a Trijicon RMR without the extra legwork, this configuration removes that entire process. Combined with Kimber's match-grade barrel and trigger work, this is a pistol built for a shooter who already knows they want a serious optics-equipped 1911 for competition or dedicated range use, rather than an entry point into the platform.

Bright, polished stainless slides like the one on this pistol also hold up differently over time than a coated or nitride-finished slide — they resist corrosion well but will show holster and handling wear more visibly, so owners who carry rather than display this pistol should expect the finish to develop a used look with regular range time. That's a cosmetic tradeoff most stainless-slide 1911 buyers accept willingly in exchange for the classic two-tone look and the corrosion resistance stainless steel offers over blued carbon steel. Spare magazines and aftermarket magazine pouches built for other Kimber 9mm 1911 models should fit this pistol without issue, which is a genuine convenience for owners looking to build out a full duty or competition loadout around it.