.220 Howell Load Data & Reloading Guide

Rifle

Also known as: .220 Howell Target, .220 Howell Match, .220 Howell Rimfire

About .220 Howell

The .220 Howell caliber was developed in the early 1960s by firearms designer and innovator Charles “Chuck” Howell. It emerged as a response to the increasing demand for a flat-shooting, lightweight cartridge suitable for small-game hunting and varmint control. This cartridge was built upon the .222 Remington parent case, which provided a strong foundation for performance while allowing for improved velocity and accuracy.

The key technical characteristics of the .220 Howell include a case length of approximately 1.8 inches and a neck diameter of about .243 inches, making it capable of handling bullets with diameters typically ranging from 40 to 55 grains. Its moderate powder capacity enables the use of both powder types and bullet designs, allowing for versatile reloading options. The cartridge is often loaded with Hodgdon Benchmark or IMR 4895 powder, which help achieve impressive velocities.

Ballistically, the .220 Howell is capable of delivering a flatter trajectory than many similar calibers, making it effective for longer-range shooting while maintaining low recoil. This combination of performance and manageable recoil allows for accurate follow-up shots, especially useful during hunting sessions for quick-moving quarry. Typical bullet weights range from 40 to 55 grains, with a choice between various expanding and non-expanding projectiles tailored to specific needs.

For reloaders, the .220 Howell offers several advantages, including a diverse selection of available components and the potential for custom load development. Its ability to produce consistent velocities and accuracy when reloaded provides an excellent platform for both competitive shooting and practical hunting applications. The design not only accommodates a variety of bullet types but also supports the reloader's desire for optimizing performance based on individual shooting preferences, making it an attractive option in the reloading community.

Technical Drawing

.220 Howell cartridge dimensions, C.I.P.L1 = 46.304 mm, L2 = 51.435 mm, L3 = 60.96 mm, L6 = 79 mmL1 = 46.30 mmL2 = 51.44 mmL3 = 60.96 mmL6 = 79.00 mm49.9°

Based on Wildcat, the max. allowed case length is 2.400 in / 60.96 mm, the max. cartridge length is 3.110 in / 79.00 mm, and the max. allowed pressure is 58,015 PSI / 4,000 bar.

Technical Specifications

Maximum Pressure:58015 PSI / 4000 bar
Case Volume:62 Grains of Water
Primer Size:Large Rifle (LR)
Safety Standard:Wildcat
Bore Area:25.03 mm²
Barrel Diameter:0.224" / 5.7 mm
L1:1.823" / 46.30 mm
L2:2.025" / 51.44 mm
L3:2.400" / 60.96 mm
L6:3.110" / 79.00 mm

Start Calculating to Develop your own Load Data for .220 Howell

Use our professional ballistics calculator to develop safe and accurate load recipes for .220 Howell.

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Standard Load Data — .220 Howell

Select your desired cartridge and bullet weight below to access the corresponding load table. From there, you can choose any listed load recipe and transfer it directly into the ballistics calculator for further refinement, optimization, and precision tuning.

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35 gr
40 gr
44 gr
50 gr
53 gr
55 gr
60 gr
62 gr
64 gr
70 gr
74 gr
75 gr
80 gr
82 gr

Frequently Asked Questions

The maximum pressure for .220 Howell is 58,015 psi | 4,000 bar.

.220 Howell typically uses a Large Rifle (LR) primer.

The case capacity of .220 Howell is approximately 62 grains of water (H₂O).