How to Choose Between a Full Size, Compact, and Subcompact Pistol
Woody's answers are based on published federal and state law. Not legal advice. Consult a licensed attorney for your specific situation.
Choose full size for accuracy and capacity, compact for balanced carry and performance, or subcompact for maximum concealment. Your carry method and primary use case determines the right size.
What This Means for Your Setup
Size categories in pistols represent fundamental tradeoffs between shootability, capacity, and concealability. Each size class serves distinct roles in defensive shooting applications. Understanding these tradeoffs helps you match the tool to your specific carry requirements and shooting ability.
The Detail
Full size pistols typically feature barrel lengths of 4.5 to 5 inches with grip frames that accommodate your entire hand. The longer sight radius improves accuracy potential, while the additional weight helps manage recoil. Magazine capacity usually runs highest in this category, often reaching 15-17 rounds in 9mm configurations. The larger frame also provides more surface area for a secure grip, which translates to better control during rapid fire sequences.
Compact pistols split the difference with barrel lengths around 3.5 to 4 inches and shortened grip frames that may leave your pinky finger with less purchase. You sacrifice some capacity compared to full size versions, typically losing 2-4 rounds depending on the design. However, the reduced overall length and height make concealed carry more practical while retaining enough barrel length for reasonable accuracy. The sight radius remains adequate for defensive distances.
Subcompact pistols prioritize concealment above all else, featuring barrel lengths of 3 to 3.5 inches and grip frames that accommodate only two fingers for most shooters. Capacity drops significantly, often to single digits in many calibers. The short sight radius and reduced grip surface make accurate shooting more challenging, especially under stress. However, the dramatically reduced size allows for pocket carry or deep concealment options that larger pistols cannot achieve.
Your shooting ability plays a major role in size selection. New shooters generally benefit from starting with full size pistols to develop proper fundamentals before moving to more compact options. The additional weight and grip surface of full size guns are more forgiving of minor technique errors. Experienced shooters can often shoot compact and subcompact pistols nearly as well as full size versions through dedicated practice.
Carry method heavily influences your optimal choice. Inside the waistband carry can accommodate compact pistols for most body types, while appendix carry often works well with subcompacts. Full size pistols require dedicated holsters and clothing considerations but offer the best performance potential. Consider your daily dress requirements and physical build when making this decision.
Build Impact
Your first pistol should match your primary intended use rather than trying to serve all roles adequately. If you plan to carry concealed daily, start with a compact that you can shoot well rather than a full size that stays home due to carry difficulties.