.20 Nosler Load Data & Reloading Guide
Also known as: .20 Nosler Remington, 20×42mm Nosler
About .20 Nosler
The .20 Nosler is a relatively recent addition to the family of high-performance rifle cartridges, introduced in 2015. Developed by Nosler, Inc., this caliber emerged from the company’s desire to provide a flat-shooting, high-velocity option for varmint hunters and target shooters alike. Its design is rooted in the personal preference for a smaller caliber that offers the benefits of reduced recoil and improved accuracy while delivering sufficient energy to take down small to medium-sized game effectively.
This caliber is based on the .22-250 Remington case, necked down to accept .204-inch diameter bullets. One of its key technical characteristics is its ability to propel lightweight bullets at impressive velocities, often exceeding 4,000 feet per second. The typical bullet weights for the .20 Nosler range from 32 grains to 40 grains, allowing for flexibility in selection based on specific shooting applications.
Ballistic performance is notably characterized by excellent accuracy and flat trajectories, making it ideal for long-range shooting scenarios. This cartridge exhibits minimal wind drift due to its high ballistic coefficient, and it retains energy remarkably well at extended ranges. These features make the .20 Nosler a preferred choice not only for varmint hunting but also for precision shooting in competitive environments.
For reloaders, the .20 Nosler presents several advantages. The availability of high-quality components, including a wide range of bullets suited for various purposes, allows for precise tailoring of loads to achieve optimal performance. Additionally, its efficient powder capacity provides ample flexibility in load development, enabling reloaders to experiment with different propellants and bullet combinations to achieve desired results. This adaptability makes the .20 Nosler an appealing choice for those looking to enhance their shooting experience through customized ammunition.
Technical Drawing

Technical Specifications
Start Calculating to Develop your own Load Data for .20 Nosler
Use our professional ballistics calculator to develop safe and accurate load recipes for .20 Nosler.
Start CalculatingStandard Load Data — .20 Nosler
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.
.204 | 40gr | Nosler Ballistic Tip Varmint
.204 | 45gr | Hornady SP
.204 | 36gr | Peregrine VLR-5
.204 | 35gr | Berger FB Varmint
.204 | 39gr | Sierra Tipped VarmintKing
.204 | 39gr | Speer TNT
.204 | 36gr | Sierra Spitzer (SPT)
.204 | 32gr | Nosler Varmageddon
.204 | 40gr | Berger Varmint
.204 | 40gr | Hornady V-MAX
.204 | 32gr | Sierra BlitzKing
.204 | 32gr | Nosler Ballistic Tip Varmint
.204 | 32gr | Nosler CT Ballistic Silvertip RN
.204 | 32gr | Sierra Spitzer Boat Tail
.204 | 34gr | Peregrine VLR-4
.204 | 32gr | Speer TNT Green
.204 | 32gr | Nosler Ballistic Tip Lead Free
.204 | 32gr | Nosler Varmageddon HP
.204 | 30gr | Impala LWHV LS
.204 | 30gr | Impala LW CFN
.204 | 28gr | Lehigh Defense Controlled Chaos
.204 | 26gr | Barnes Varmint Grenade FB
.204 | 20gr | Barnes Varminator HP FB
.204 | 32gr | Hornady V-MAX
Frequently Asked Questions
The maximum pressure for .20 Nosler is 55,114 psi | 3,800 bar.
.20 Nosler typically uses a Small Rifle (SR) primer.
The case capacity of .20 Nosler is approximately 39 grains of water (H₂O).