Hornady A-Tip Custom Bullet Seating Stem for 7mm Rem Mag - 166 Grain (Model 397141)
- Caliber-Gauge:
- 7mm Caliber
- Die Series:
- 1
- Die Type:
- Seating
- Adapt to Mfg:
- A-Tip Match Bullets
- In Set:
- 166 gr
The Hornady A-Tip Custom Bullet Seating Stem for 7mm Rem Mag in 166 grain (Model 397141) is a precision replacement component designed for reloaders who demand consistency and reliability on every round. If you're running Hornady Custom Grade Dies and loading the A-Tip line, this seating stem is engineered specifically to seat those bullets with the care they deserve—minimizing run-out and eliminating the risk of bullet damage that comes with universal or mismatched seating stems.
Reloading is all about repeatability, and a purpose-built seating stem makes a measurable difference in your rounds' quality and performance. Hornady's A-Tip bullets are designed for precision, and using a stem matched to their exact profile ensures you're maximizing that potential. Whether you're working up loads for a long-range competition rifle or a premium hunting build, this component lets you focus on powder charges and primers instead of worrying about inconsistent seating.
This stem is designed exclusively for Hornady Custom Grade Dies and will not fit other manufacturers' die systems, so verify your setup before ordering. If you're already invested in Hornady's reloading ecosystem, adding this A-Tip-specific stem to your die gives you one more tool for producing match-grade ammunition.
Key Features
- Machined to match the profile of Hornady A-Tip bullets for consistent, precise seating
- Designed for use with Hornady Custom Grade Dies only
- Minimizes bullet run-out and reduces risk of deformation
- Replacement part for 7mm Rem Mag loads with 166-grain A-Tip bullets
Specifications
| Caliber/Application | 7mm Rem Mag |
| Bullet Weight | 166 grain |
| Bullet Type | Hornady A-Tip |
| Die Compatibility | Hornady Custom Grade Dies only |
| Model Number | 397141 |
Frequently Asked Questions
Will this seating stem work with my current reloading die set?
This stem is designed exclusively for Hornady Custom Grade Dies and is not compatible with dies from other manufacturers. Verify that you're using a Hornady Custom Grade Die before purchasing.
Can I use this stem to seat other bullet types?
This seating stem is machined specifically for Hornady A-Tip bullets and their unique profile. Using it with other bullet designs may not provide optimal seating and could compromise precision.
What caliber and bullet weight does this stem handle?
This is a 7mm Rem Mag replacement stem matched to the 166-grain A-Tip bullet. If you're loading a different caliber or A-Tip weight, you'll need the corresponding stem for that configuration.

