Description

Kimber Ultra 18lb Recoil Spring Assembly – .45 ACP / .40 S&W

Name: Kimber Ultra 45 ACP .40 18lb recoil spring assembly
SKU: 5207
Availability: InStock

Reliable Cycling. Reduced Recoil. Factory-Grade Performance, Keep your Kimber running like new with the Kimber Ultra 18lb Recoil Spring Assembly, engineered specifically for .45 ACP and .40 S&W Ultra Carry and Compact models. Whether you’re performing routine maintenance or solving feeding and ejection issues, this factory-spec spring assembly ensures smooth cycling, reliable chambering, and reduced felt recoil.

This drop-in replacement comes fully assembled—no need to piece it together—making it the perfect solution for fast upgrades or refreshes of high-round-count pistols.

Kimber 1911 Ultra Outer Recoil Spring Set, 18lb., 45 ACP/.40, Set of 3. These Kimber constructed outer recoil springs are manufactured for the 1911 Ultra pistol models chambered in .45 ACP and .40 S&W. This 18 lb. spring set is a direct OEM replacement for all of the Ultra 3″ models and is this set works great as replacement pieces or for a workshop tune up to boost pistol statistics.

Complete drop-in replacement recoil spring assembly for Ultra models in 45ACP or 40 S&W.

Package contains 1 Ultra Recoil Spring Assembly.This replacement Ultra Recoil Spring Assembly is a factory original from Kimber.

We are a Kimber Authorized Dealer, and can help you with any parts that you might need for Kimber.

Key Features

✅ 18lb Recoil Spring Tension
Ideal for standard pressure and defensive loads in .45 ACP and .40 S&W.
✅ Factory Fit for Kimber Ultra & Compact Models
Designed for compact Kimber 1911 platforms with 3-inch barrels, including the Ultra Carry, Ultra CDP, and Compact Custom.
✅ Complete, Pre-Assembled Unit
Includes recoil spring, guide rod, and plug—ready to install in minutes.
✅ Improved Functionality & Longevity
Helps eliminate malfunctions caused by worn or weakened springs.
✅ Durable Steel Construction
Built to withstand repeated cycling and high-volume shooting.