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Barnes Bullets

Original(TM) 377 Caliber (.377'''') Flat Nose Flat Base Rifle Bullets - 377 Caliber (0.377'''') 255gr Flat Nose Flat Base 50/Box

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

377 Caliber,

255-grain flat nose flat base

50 Bullets

Per box

Produced Pressure-forming

Pure copper tubing around a

Barnes Originals

Feature thick pure copper jackets

Flat-base Design

Flat noses and exposed lead

$49.99
List Price: $62.99
You Save: $13.00 (21%)
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SKU: 749065034

Overview

Built for handloaders who want a traditional big-game bullet with a proven profile, this Barnes offering combines a pure copper jacket with a pure lead core in a flat-base, flat-nose design. It is intended for hunting applications where controlled expansion and deep penetration are desired, while the exposed lead front reflects its classic construction. The 255-grain .377 caliber format gives reloaders a specific option for compatible rifles and loads. Packaged 50 per box, it suits hunters preparing for range work and field use alike.

Why Hunters Choose the Barnes Bullets

Flat-nose, Flat-base

Exposed lead front for classic

Pure Copper

Jacket around a pure lead

Described As

Highly reliable in the provided

Reliable Expansion

Deep penetration on big game

50 Bullets

Per box for convenient loading

Key Features

  • 377 caliber, 255-grain flat nose flat base rifle bullets
  • 50 bullets per box
  • Produced by pressure-forming pure copper tubing around a pure lead core
  • Barnes Originals feature thick pure copper jackets around pure lead cores
  • Flat-base design with flat noses and exposed lead front
  • Designed for reliable expansion and deep penetration on big game

Best Used For

  • Hunters loading .377 caliber rifles for big-game use with flat-nose bullets
  • Handloaders seeking a 255gr flat-base option for traditional rifle setups
  • Shooters wanting a bullet design with exposed lead front and flat nose profile
  • Users building loads around Barnes Originals for classic-style hunting applications

Specifications

Base TypeFlat Base
Bullet NoseFlat Nose
Bullet TypeFlat Nose Flat Base
Bullet Weight255gr
Caliber377 Caliber (0.377'''')
Core MaterialPure lead
ExpansionReliable expansion
Jacket MaterialPure copper
MaterialPure copper tubing around a pure lead core
PenetrationDeep penetration
Quantity50/Box
UseBig game

Pros

  • Flat-nose, flat-base design with exposed lead front for classic bullet profile
  • Pure copper jacket around a pure lead core
  • Described as highly reliable in the provided product copy
  • Designed for reliable expansion and deep penetration on big game
  • 50 bullets per box for convenient loading supply

Considerations & Trade-offs

  • Flat-base flat-nose bullets are a specialized profile, so they’re best suited to rifles and loads that are set up for this style rather than a broad range of applications.
  • The exposed lead front is part of the design, which may be a consideration for hunters who prefer a different bullet nose configuration.
  • At 255gr, this is a heavier .377 caliber option, so it may not fit every shooting setup or intended use.
  • Packaged 50 per box, which is practical for load development and hunting use, but not a high-volume quantity for extended practice.

Suggested Comparisons

  • Cast bullets
  • Other rifle bullet styles
  • Big game hunting ammunition components

Suggested Accessories

  • Reloading dies
  • Powder scale
  • Bullet puller
  • Storage box

Frequently Asked Questions

What caliber and bullet weight is this product?

This is a .377 caliber bullet in a 255 grain weight, sold in a 50-count box.

What bullet style is it?

It is a flat nose, flat base (FB FN) bullet with an exposed lead front.

What is the bullet made of?

The provided description says it is made by pressure-forming pure copper tubing around a pure lead core, with thick pure copper jackets around pure lead cores.

What type of hunting use is it intended for?

The source describes it as a bullet for big game use, but it does not provide cartridge-specific loading data or performance details beyond that.

Who makes this bullet?

The manufacturer listed in the source data is Barnes Bullets.