Description
Berger's 6mm 105 grain BT Target is one of those bullets that has earned its reputation the hard way, on the firing line against stopwatches and score cards. This is the straight Boat Tail Target, not the Hybrid, so you're getting a tangent ogive design that loads easy, tunes quick, and shoots lights-out in a wide range of rifles. If you're reloading .243 caliber for serious paper punching or ringing steel, this is a bullet that rewards careful handloading with the kind of consistency you can actually see downrange.
What Sets the Berger 105gr BT Target Apart
The heart of this bullet is Berger's J4 Precision jacket. These jackets are held to a Total Indicated Runout of plus or minus .0001 inch, with extremely tight manufacturing tolerances, and that uniformity is where the accuracy comes from. The tangent ogive profile is the reason so many reloaders reach for the BT over a secant design. It doesn't demand a fussy seating depth to shoot well, which means less time chasing the lands and more time making rounds that just work.
Ballistics and Twist Rate for the 6mm BT Target
This 105 grainer carries a G1 ballistic coefficient of 0.494 and a G7 of 0.253, with a sectional density of around .254. The boat tail profile earns its keep at distance, holding velocity and bucking wind as it transitions through the transonic range. Competitors often lean on this one from mid-range out to 600 yards and beyond. Plan on a 1:8 twist barrel or faster to stabilize it properly, and you'll get the full benefit of that long, sleek profile.
One of the practical upsides here is magazine compatibility. The BT Target is well suited to magazine-fed applications and situations where conformance to SAAMI overall length matters, so you're not locked into single-feeding to get your accuracy. Worth noting, this is a component bullet for handloading, not loaded ammunition.
Key Specifications
- Manufacturer: Berger Bullets
- Manufacturer Part Number: 24428
- UPC: 679459244282
- Caliber: 6mm (.243)
- Bullet Diameter: 0.243"
- Bullet Weight: 105 Grain
- Bullet Style: Boat Tail (BT) Target
- Jacket: J4 Target Jacket
- G1 Ballistic Coefficient: 0.494
- G7 Ballistic Coefficient: 0.253
- Sectional Density: 0.254
- Recommended Twist Rate: 1:8" or faster
- Overall Length (OAL): 1.189"
- Boat Tail Length: 0.216"
- Quantity: 100 Per Box
What’s Included
- 100 Berger 6mm (.243) 105gr Boat Tail Target reloading bullets
Frequently Asked Questions
Is the Berger 6mm 105gr BT Target the same as the Hybrid Target?
No, these are two different bullets. This is the straight Boat Tail (BT) Target, which uses a tangent ogive that makes it easy to tune and forgiving on seating depth. The Hybrid Target uses a blended secant and tangent ogive profile, so if you specifically want the BT, part number 24428 is the one you want.
What twist rate do I need to stabilize the 105gr BT Target?
Berger recommends a 1:8 inch twist or faster for this bullet. That lets the long 105 grain profile stabilize properly and shoot to its accuracy potential. A slower twist may not fully stabilize it, especially at longer ranges.
Will the Berger 105gr BT Target feed from a magazine?
Yes. The BT Target is well suited to magazine-fed applications and loads that need to conform to SAAMI overall length. That makes it a flexible choice whether you're loading for a bolt gun or a semi-auto match rifle.
Are these loaded cartridges or component bullets?
These are component bullets for handloading only, not loaded ammunition. You'll need your own brass, primers, and powder to assemble finished rounds. Each box contains 100 projectiles.




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