Description
The Thompson Center Bore Driver ELD-X takes the proven Hornady ELD-X projectile and builds it into a muzzleloader system that loads quick and shoots flat. Instead of fighting a sabot down the barrel, this setup uses a full bore-diameter polymer base that seats the 340 grain bullet with far less effort while sealing the bore behind it. That seal is where a lot of the performance comes from, giving you cleaner gas behind the bullet for better energy transfer and tighter groups.
What Makes the Bore Driver ELD-X Hit Harder
The star of the show is the ELD-X bullet riding on top. It carries a Heat Shield polymer tip that resists deforming and helps drive expansion even when velocity starts to drop at distance. Underneath that, Hornady's InterLock ring physically locks the jacket and core together, so the bullet holds onto its weight after impact and keeps pushing deep. With a G1 ballistic coefficient of .315 and a sectional density of .194, this is one of the more aerodynamic muzzleloader bullets out there, which translates to less drop and more retained energy on the far end of your shot.
Loading the Bore Driver ELD-X at the Range
The no-sabot design is the part most folks appreciate once they run a few down the barrel. The polymer base post fits into the boattail of the bullet and does the work a sabot normally would, but with less resistance on the ramrod. That makes follow-up loads smoother and more consistent from shot to shot. A ramrod tip shaped to match the ogive is worth picking up so you don't ding the tip while seating, since the pointed profile is part of what gives this bullet its reach.
At 340 grains in .50 caliber with a .499 bullet diameter, this one is built for serious game. It's a strong match for deer at range and has the weight and construction to handle elk, bear, and other large animals when paired with the right powder charge. If you run a modern inline and want to stretch your effective range without giving up terminal performance, this is a bullet that earns its spot in the possibles bag.
Key Specifications
- Manufacturer: Thompson Center
- Manufacturer Part Number: 9013R
- UPC: 810180301503
- Caliber: .50 Caliber
- Bullet Weight: 340 Grain
- Bullet Diameter: .499 inch
- Bullet Type: ELD-X with Heat Shield polymer tip
- Base: Polymer base (no sabot required)
- Jacket: Copper alloy with InterLock ring
- Ballistic Coefficient: .315 (G1)
- Sectional Density: .194
- Quantity: 12 Pack
What’s Included
- 12 Thompson Center Bore Driver ELD-X 50 caliber 340 grain bullets with polymer bases
Frequently Asked Questions
Does the Bore Driver ELD-X need a sabot?
No, and that's a big part of the appeal. The Bore Driver ELD-X uses a full bore-diameter polymer base that locks into the bottom of the bullet, so it does the sealing job a sabot normally would. That means faster, easier loading with less effort on the ramrod.
What game is the 340 grain Bore Driver ELD-X good for?
The 340 grain weight and InterLock construction make it well suited for deer out to extended range and plenty capable on larger game like elk, bear, and moose. The high ballistic coefficient helps it retain energy downrange, so it keeps hitting hard at distance. Pair it with an appropriate powder charge for the animal you're after.
Will the Bore Driver ELD-X fit my .50 caliber inline?
It's designed to fit the bore of any .50 caliber muzzleloader, with a .499 inch bullet diameter and a base sized to seal a standard .50 bore. As with any new bullet, work up your load and confirm point of impact on paper before heading afield.
Is a special ramrod tip recommended for seating these?
It's a smart addition. Because the ELD-X has a pointed polymer tip that drives its aerodynamics, a ramrod tip shaped to match the bullet's ogive helps you seat it without damaging the tip. It's inexpensive insurance for keeping each bullet flying true.




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