257 Roberts & 
257 Roberts +P
Rifle Cartridge

Abbreviated Name:  257 Rob / 257 Rob +P

 

+P = This ammunition is loaded to a higher pressure, as indicated by the +P marking on the case headstamp, to achieve higher velocity.  Use only in firearms especially designed for this cartridge and so recommended by the manufacturer.  

 

TECHNICAL INFORMATION:

The 257 Roberts technical information is pending release.

 

 

NOSLER AMMUNITION

Loaded for 257 Roberts

NOSLERCUSTOM 257 Roberts AMMUNITION

 
 

257 Roberts +P 100 Grain
Information  |  Ballistics 

Bullet Style:  Ballistic Tip Hunting
Use:  Deer Sized Game


257 Roberts +P 100 Grain
Information  |  Ballistics 

Bullet Style:  Partition
Use:  Deer Sized Game


257 Roberts +P 115 Grain
Information  |  Ballistics 

Bullet Style:  Ballistic Tip Hunting
Use:  Deer Sized Game

 

 

TROPHY GRADE 257 Roberts AMMUNITION

 

257 Roberts +P 110 Grain
Information  |  Ballistics  

Bullet Style:  AccuBond
Use:  Deer Sized Game

 

 

NOSLER RIFLES

Chambered for 257 Roberts +P

 

BUILD A M48 CUSTOM 257 Roberts +P RIFLE

Information  |  Build  |  FAQ

Top of the line performance matched with a top notch customization features.

 

 

257 Roberts
Loading & Reloading Components:

257 Roberts LOAD DATA

 

 

NOSLER BULLETS 

Designed for Loading & Reloading 257 Roberts

 
 

AccuBond Bullet 

  • 25 Caliber 110 Grain

Ballistic Tip Hunting Bullet

  • 25 Caliber 90 Grain
  • 25 Caliber 115 Grain

Ballistic Tip Varmint Bullet

  • 25 Caliber 85 Grain
 
 

CT Ballistic Silvertip Bullet

  • 25 Caliber 85 Grain
  • 25 Caliber 115 Grain

E-Tip Bullet

  • 25 Caliber 100 Grain

Partition Bullet

  • 25 Caliber 100 Grain
  • 25 Caliber 115 Grain
  • 25 Caliber 120 Grain
 

 

NOSLER BRASS

Designed for Loading & Reloading 257 Roberts

 

257 ROBERTS +P BRASS

Part# 10135
Box Count: 50 

 

 

Available Cartridge Information:

 

RIFLE CARTRIDGES

 

35 Caliber / .358” Diameter

9.3mm Caliber / .366” Diameter

375 Caliber / .375” Diameter

416 Caliber / .416” Diameter

44 Caliber / .429” Diameter

45 Caliber / .458” Diameter

458 Caliber / .458” Diameter

 

 

HANDGUN CARTRIDGES

 

9mm Caliber / .355” Diameter

38 Caliber / .357” Diameter

10MM Caliber / .400” Diameter

41 Caliber / .410” Diameter

44 Caliber / .429” Diameter

45 Caliber / .451” Diameter