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SIERRA 2310 303CAL 180 GR. SPT 100 CT.
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 2310-092763023105
Overview
Built for hunters working with larger service cartridges, this 180 grain bullet is intended to add versatility to rifles chambered in rounds such as .303 British, 7.7mm Arisaka, and 7.65mm Mauser. Its spitzer profile and profiled ogive point shape are described as supporting smooth feeding in semi-automatic rifles, while the heavy jacket design is presented for deep penetration and controlled expansion on medium and large game. The flat trajectory and downrange energy noted in the product information make it a practical choice for hunting applications where these older rifles are still in use. Load data should always be verified through a reloading manual or powder manufacturer before use.
Why Hunters Choose the Sierra Bullets
180-grain #2310
Bullet designed for larger .311-inch
Suitable 303
British, 7.7mm Arisaka, and 7.65mm
Profiled Ogive
Point shape supports positive feed
Spitzer Profile
Is described as providing a
Listed Sierra's
Sierra's unique double taper heavy
Key Features
- 180 grain #2310 bullets with Sierra's unique double taper heavy jacket and Spitzer profile.
- Suitable for larger .311 inch diameter service cartridges, including .303 British and 7.7mm Arisaka.
- Also listed for 7.62x54R, 7.62x39mm, and 7.65mm Mauser applications.
- Profiled ogive point shape is designed for positive feed characteristics in semi-automatic rifles.
- Intended for hunting medium and large game.
- Packaged in a 100-count box.
Best Used For
- Hunters loading .311-inch service cartridges for medium and large game applications.
- Owners of Lee-Enfields, Arisakas, or Mosin-Nagants seeking a versatile hunting bullet.
- Shooters needing reliable feeding in 7.62x39mm semi-automatic rifles.
- Reloaders working with 303 British, 7.7mm Arisaka, or 7.65mm Mauser cartridges.
- Users wanting a spitzer-profile bullet for flatter trajectory in traditional service rifles.
Specifications
| Bullet Profile | Ogive point shape |
|---|---|
| Bullet Style | Spitzer |
| Bullet Weight | 180 grain |
| Caliber | 30 caliber |
| Compatible Cartridges | 303 British, 7.7mm Arisaka, 7.62x54R, 7.62x39mm, 7.65mm Mauser |
| Diameter | .311 inch |
| Jacket Type | Double taper heavy jacket |
| Load Data Note | Check your reloading manual or go to a powder manufacturers website for load data |
| Quantity | 100 count |
Pros
- 180-grain #2310 bullet designed for larger .311-inch diameter service cartridges
- Suitable for 303 British, 7.7mm Arisaka, and 7.65mm Mauser applications
- Profiled ogive point shape supports positive feed characteristics in semi-automatic rifles
- Spitzer profile is described as providing a flat trajectory and high downrange energy
- Listed with Sierra's unique double taper heavy jacket
- Packaged in a 100-count box for reloading convenience
Considerations & Trade-offs
- These bullets are described for larger .311 inch diameter service cartridges, so they are not a universal fit for every .30-caliber rifle; bore diameter should be verified before use.
- The product notes that some rifles may require slugging the bore if there is any doubt, which adds an extra step before loading.
- The 180 grain weight and hunting-oriented profile are aimed at medium and large game, so it is a more specialized choice than lighter all-purpose bullets.
- Load data is not provided here; the description directs users to a reloading manual or powder manufacturer website for safe charge information.
Suggested Comparisons
- Hunting bullets for .311-inch diameter service cartridges
- Big game rifle bullets
- Reloading components for surplus military rifles
- Spitzer-style hunting projectiles
Suggested Accessories
- Reloading dies
- Bullet puller
- Powder scale
- Case trimmer
Frequently Asked Questions
What cartridges is this 180 grain Sierra #2310 bullet intended for?
The product data says it is suitable for larger .311 inch diameter service cartridges, including .303 British, 7.7mm Arisaka, and 7.65mm Mauser. The description also discusses use with 7.62x39mm rifles, but it specifically notes that most of those rifles use a .311" diameter projectile and that bore diameter should be checked.
Is this bullet appropriate for semi-automatic rifles in 7.62x39mm?
The description says positive feed characteristics are required for semi-automatic rifles using the 7.62x39mm cartridge, and that Sierra’s profiled ogive point shape provides functioning. It does not provide a guarantee for every rifle, so compatibility should be verified with the firearm and load data.
What bullet design features are listed for this product?
The long description identifies a Spitzer profile and Sierra’s unique double taper heavy jacket. No other construction details are provided in the source data.
What hunting use is described for this bullet?
The description says these bullets are suitable for use on medium and large game and notes that the cartridges mentioned are powerful enough to serve for big game. It also states the bullet offers deep penetration and excellent expansion, but those are source claims rather than measured specifications.
How should I approach load development for this bullet?
The product data advises checking your reloading manual or visiting a powder manufacturer’s website for load data. No specific load information is included in the provided source material.