top of page

.338 ARC Load Data

Alternative names: .338 Advanced Rifle Cartridge, .338 ARC

Our load data for caliber .338 ARC covers 60 bullets from 23 manufacturers and a total of 3780 load recipes.

The .338 Advanced Rifle Cartridge (.338 ARC) is a cutting-edge round designed by Hornady to deliver exceptional ballistic performance in AR-style rifles. Engineered for precision and long-range capability, the .338 ARC bridges the gap between traditional 6.5mm cartridges and larger .338 Lapua rounds, offering superior energy retention and terminal performance without excessive recoil or weight.

With a 1:8 twist rate and optimized chamber geometry, the .338 ARC is built for high ballistic coefficient (BC) bullets, ensuring flatter trajectories and enhanced accuracy at extended ranges. It excels in tactical, hunting, and target shooting applications, making it a versatile choice for shooters seeking a cartridge that balances power and precision.

The .338 ARC’s compatibility with AR-15 and AR-10 platforms, along with its impressive performance from a 20-inch barrel, makes it a favorite among military marksmen, law enforcement, and civilian enthusiasts. Its effective range of over 1,000 yards and minimal wind drift enhance its reliability in dynamic environments.

Whether you’re engaging steel at distance or hunting large game, the .338 ARC delivers consistent, pinpoint accuracy with the stopping power required for serious shooting. Explore the next evolution in long-range performance with the .338 ARC.

Suitable Powders

Bullet Weight (gr) ->
0-50
50-75
75-100
100-150
150-200
200-300
>300

👍 ... suitable powder 

👍👍 ... suitable AND popular powder among our reloading community  (clasification might evolve as more community members share their loads )

Caliber Specifications

Standard / Datasheet

Primer Size

Small Rifle (SR)

Case Capacity

36 Grains of Water

Bullet / Barrel Diameter

0.338'' | 8.59 mm

Max. Case Length

1.3'' | 33.02 mm

Max. Cartridge Length 

2.26'' | 57.4 mm

Max. Standardized Pressure:

51996 psi | 3585 bar

XXL ID

CID_460

.338 ARC load data is available with the following bullets:

(most popular first)

Filter by Bullet Weight (Grains)

Weight vs. Velocity - Suitable Bullets for this Caliber

This is illustrative data only - get your access license to unlock all caliber-specific data 

not sufficient data yet!

Barrel Length  Variation vs. Velocity - by Bullet Weight

This is illustrative data only - get your access license to unlock all caliber-specific data 

not sufficient data yet!

bottom of page