What Is .38 Super Comp

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Last updated: April 10, 2026

Quick Answer: The .38 Super Comp is a high-pressure variant of the .38 Super cartridge designed specifically for competitive shooting in IPSC and USPSA matches. Introduced in the 1980s, it delivers velocities ranging from 1,300 to 1,500 feet per second with 130-165 grain bullets, offering shooters faster follow-up shots and reduced recoil impulse compared to standard .38 Super loads.

Key Facts

The .38 Super Comp operates at approximately 36,000-38,000 PSI, significantly higher than standard .38 Super's 31,800 PSI
Typical 130-grain .38 Super Comp loads achieve velocities of 1,350-1,500 fps, compared to 1,280 fps for standard .38 Super
Became the preferred cartridge for competitive IPSC/USPSA shooters starting in the 1980s for more controllable recoil and faster split times
Requires specially marked ammunition labeled as '.38 Super Comp' due to higher pressure; standard .38 Super firearms may not safely handle these loads
Offers a flatter trajectory and faster sight picture recovery than 9mm, making it competitive for precision shooting disciplines

Overview

The .38 Super Comp is a specialized handgun cartridge engineered for competitive shooting sports, particularly IPSC (International Practical Shooting Confederation) and USPSA (United States Practical Shooting Association) matches. It represents an evolution of the original .38 Super cartridge, which debuted in 1911 alongside Colt's Model 1911 pistol variants. The 'Comp' designation stands for 'Competition,' indicating its purpose-built design for shooters seeking optimal performance in timed, scored shooting events.

During the 1980s and 1990s, competitive shooters discovered that the higher-pressure .38 Super Comp loads provided measurable advantages in split-time reduction and recoil management. The cartridge delivers noticeably faster bullet velocities—typically 1,350 to 1,500 feet per second—while maintaining manageable recoil characteristics that allow faster follow-up shots. Today, the .38 Super Comp remains popular among competitive shooters, particularly in Limited and Limited 10 divisions where it competes alongside 9mm and .40 S&W competitors.

How It Works

The .38 Super Comp functions through precisely controlled powder charges and optimized bullet geometry within a standardized brass case:

High-Pressure Loading: .38 Super Comp ammunition operates at 36,000-38,000 PSI, approximately 4,200-6,200 PSI above standard .38 Super pressures, delivering increased velocity from the same barrel length
Bullet Weight Optimization: Competition loads typically use 130, 147, or 165-grain projectiles, with 130-grain loads being most popular for velocity and 147-165 grain loads offering improved penetration and ballistic coefficient
Powder Charge Precision: .38 Super Comp requires carefully measured powder charges (typically 7.0-8.5 grains depending on powder type and bullet weight) to achieve consistent velocity while maintaining pressure safety limits
Case Preparation: Quality reloading demands uniform case length, consistent primer seating, and precise bullet seating depth to ensure reliable chambering in match-grade competition firearms
Velocity-Pressure Balance: The cartridge achieves its performance advantage by maximizing velocity within industry pressure limits, resulting in flatter trajectories and reduced sight picture disturbance during rapid-fire sequences

Key Comparisons

Characteristic	.38 Super Comp	Standard .38 Super	9mm Luger
Pressure Rating (PSI)	36,000-38,000	31,800	35,000
Typical Velocity (fps) - 130gr	1,350-1,500	1,280	1,150
Magazine Capacity (1911)	9 rounds	9 rounds	10-15 rounds
Recoil Management	Lower than .40 S&W, faster splits than 9mm	Lower than Comp, slower follow-up speed	Lowest recoil, slower sight picture recovery
Cost per Round (Reloaded)	$0.45-$0.60	$0.40-$0.55	$0.35-$0.50
Primary Use	IPSC/USPSA Limited Division	Self-defense, vintage shooting	Competitive shooting, self-defense

Why It Matters

Competitive Advantage: The .38 Super Comp's higher velocity produces a flatter trajectory, enabling more precise aiming at competition targets and facilitating faster sight picture recovery between shots
Recoil Management: The cartridge offers a superior balance between power and recoil compared to .40 S&W, while delivering noticeably faster follow-up shots than standard 9mm ammunition
Sport Evolution: The widespread adoption of .38 Super Comp in competitive shooting during the 1990s shaped modern IPSC/USPSA match formats and ammunition selection strategies across divisions
Reloading Precision: Competitors using .38 Super Comp must invest in quality reloading equipment and consistent technique, as inconsistent loads significantly impact competitive performance more than factory ammunition

The .38 Super Comp represents a specialized niche within competitive shooting, serving shooters who prioritize split-time reduction and recoil control over magazine capacity or ammunition availability. While less common than 9mm or .40 S&W in practical shooting sports, it maintains a dedicated following among shooters who have invested in 1911-platform firearms and appreciate the cartridge's unique performance characteristics. Understanding the distinctions between .38 Super Comp and standard .38 Super is critical for safe ammunition selection, as firing high-pressure competition loads in firearms rated only for standard pressures creates serious safety hazards. For competitive shooters considering this cartridge, proper firearm selection, quality reloading components, and consistent technique are essential for achieving the performance advantages this specialized ammunition offers.