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HORNADY 3140 7.62MM .310 123 GR SP INTERLOCK 100 CT.
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 3140-090255231403
Overview
Built for reloaders who want a traditional hunting bullet with controlled expansion, this 7.62mm .310 123-grain soft point is designed around exposed lead tips and Hornady’s InterLock construction. The raised ring inside the jacket is intended to help keep the core and jacket together during expansion, supporting retained mass and energy. Hornady also notes a secant ogive profile on most bullets in this line, giving the design a streamlined shape for use in appropriate hunting loads. As with any reloading component, load data should be verified in a reloading manual or with the powder manufacturer before use.
Why Hunters Choose the Hornady
Exposed Lead
Tip designed for controlled expansion
Interlock Design
Helps keep core and jacket
Traditional Bullet
Line suited to hunting applications
Secant Ogive
Profile featured on most bullets
100-count Package
Convenient reloading quantity
Key Features
- Traditional bullet line with exposed lead tips
- Designed for controlled expansion
- Built for hard-hitting terminal performance
- Features secant ogive design on most bullets
- Includes InterLock design to help keep core and jacket locked together during expansion
- Pack contains 100 bullets
Best Used For
- Hunters loading 7.62mm .310 bullets for controlled-expansion hunting applications
- Reloaders seeking traditional soft-point bullets with exposed lead tips
- Users who want Hornady InterLock bullets for retained mass and energy
- Shooters consulting load data before assembling hunting ammunition
Specifications
| Bullet Count | 100 CT. |
|---|---|
| Bullet Diameter | 7.62MM .310 |
| Bullet Type | SP |
| Bullet Weight | 123 GR |
| Exposed Lead Tip | Yes |
| Inter Lock Design | Yes |
| Load Data Advisory | Check your reloading manual or go to a powder manufacturer's website for load data. |
| Secant Ogive Design | Yes |
Pros
- Exposed lead tip designed for controlled expansion
- InterLock design helps keep core and jacket locked together
- Traditional bullet line suited to hunting applications
- Secant ogive profile featured on most bullets in the line
- 100-count package offers convenient reloading quantity
Considerations & Trade-offs
- This is a traditional exposed-lead-tip bullet, so it is intended for controlled expansion rather than a non-expanding design.
- Load data is not provided here; reloading should be guided by a current manual or powder manufacturer data.
- The product description says "most" bullets in the line feature the secant ogive and InterLock design, so those details should be verified for this specific item before loading.
- As with any reloading component, compatibility depends on the rifle and load recipe, so careful manual-based setup is required.
Suggested Comparisons
- Traditional soft point bullets
- InterLock-style hunting bullets
- Reloading components for 7.62mm .310 projectiles
- Exposed lead tip hunting bullets
Suggested Accessories
- Reloading manual
- Powder manufacturer load data reference
- Bullet storage box
- Reloading press
Frequently Asked Questions
What type of bullet is this Hornady 3140?
It is a 7.62mm .310 123 grain SP InterLock bullet in Hornady’s traditional line.
What does the exposed lead tip indicate?
The product description says the exposed lead tip is intended for controlled expansion and hard-hitting terminal performance.
What is the InterLock design on this bullet?
Hornady describes InterLock as a raised ring inside the jacket that is embedded in the bullet’s core to help keep the core and jacket locked together during expansion.
Is load data included with this product?
No. The description directs you to check your reloading manual or a powder manufacturer’s website for load data.
How many bullets are included?
The product title lists a 100 count package.