Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
For hunters running vintage Mauser bolt actions or modern sporting rifles chambered in 8x57mm JS Mauser, the Nosler Custom 200-grain AccuBond load delivers proven terminal performance in a legacy caliber. The 8x57mm JS Mauser — often called 8mm Mauser — was adopted by the German military in 1888 and remains a capable medium-to-large game cartridge. This Nosler Custom offering pairs a 200-grain bonded polymer-tip bullet with hand-inspected brass and carefully metered powder charges, bringing match-grade consistency to a hunting round built for elk, moose, and plains game at moderate ranges.
Built for the Box
Each round is assembled by Nosler ballisticians using new brass cut to SAAMI specifications. Cases are chamfered, deburred, and flash holes are checked for alignment before primers are hand-seated. Powder is hand-thrown and verified for charge consistency. The 200-grain AccuBond bullet — featuring a bonded lead core and a polymer tip that initiates expansion on impact — is seated in exact alignment to ensure uniform ignition and shot-to-shot repeatability. The bonded construction prevents core-jacket separation, retaining mass through heavy bone and muscle for deep wound channels. At 2475 fps muzzle velocity and 2720 ft-lbs of energy, this load sits comfortably in the mid-range of 8mm Mauser performance, balancing manageable recoil with effective terminal ballistics out to 300 yards.
The Numbers
| Spec | Value |
|---|---|
| Caliber | 8x57mm JS Mauser (8mm Mauser) (323 Diameter) |
| Bullet weight | 200 grains |
| Bullet type | Nosler AccuBond bonded polymer tip |
| Muzzle velocity | 2475 fps |
| Muzzle energy | 2720 ft-lbs |
| Rounds/box | 20 |
| Case | Brass, boxer-primed, reloadable |
| Primer | Boxer |
| Corrosive | No |
| G1 BC | 0.45 |
| Sectional density | 0.274 |
| Intended use | Hunting |
| Manufacturer | Nosler |
The AccuBond’s polymer tip reduces drag in flight — reflected in the 0.45 G1 ballistic coefficient — while the bonded core ensures weight retention above 60% even when impacting heavy shoulder bone. Sectional density of 0.274 drives penetration through dense muscle and hide. This load is optimized for Mauser-pattern bolt actions with standard 23.6-inch barrels; expect modest velocity increases in longer barrels and slight reductions in carbine-length configurations. Brass is reloadable for shooters who handload, and Nosler provides printed ballistic data on each box label for reference at the bench or in the field. For hunters pursuing whitetail, black bear, or hogs in timber or moderate-range open country, this 8mm Mauser ammo delivers consistent expansion and penetration without the excessive recoil of magnum cartridges.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Treat every firearm as if it is loaded. Keep the muzzle pointed in a safe direction at all times.
- Verify current state and local laws governing ammunition possession and transport before ordering.
- This ammunition contains lead. Wash hands thoroughly after handling. California Proposition 65 warning applies.
Reviews
There are no reviews yet.