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Swift built the A-Frame for the handloader who wants one bullet that performs across a wide velocity window, and this 300-grain .452 revolver projectile is exactly that. The design pairs a bonded front core with a protected rear core, so you get the controlled mushrooming of a soft point up front and the mass retention of a full-metal-jacket style base out back. That means it opens up at modest speeds yet refuses to come apart when you push it hard.
The heart of this bullet is the internal copper partition, often called the cross-member, that splits the lead into two sections. The front core is bonded to a thick pure copper jacket and folds back on itself during expansion, while the integral wall stops that expansion cold and keeps the rear core intact for penetration. Roughly 80 to 85 percent of the bullet's weight sits behind that partition, which is why it drives straight through bone and muscle without shedding its shank. Swift uses pure copper for the jacket rather than a brittle gilding-metal alloy, so the expanded nose folds instead of shearing off.
These are a favorite for the .45 Colt, .454 Casull, .460 S&W and other big-bore wheelguns where you want deep penetration on heavy game. At a .452 diameter and 300 grains, the sectional density runs around .210 with a ballistic coefficient near .153, and the cannelure gives you a clean crimp groove for stout magnum loads. They initiate expansion down around 850 to 950 fps, open to roughly 1.65 times original diameter, and hang onto about 95 percent of their weight, yet stay virtually indestructible past 3000 fps. Work up your charge carefully and you've got a projectile that shoots accurately and performs the same whether you're loading a mild plinker or a top-end hunting round.
Bottom line, if you handload for a serious .45 revolver and want a bullet that mushrooms perfectly and penetrates like crazy, the A-Frame has earned its reputation on game around the world.
These .452 diameter projectiles are a popular choice for big-bore revolver cartridges like the .45 Colt, .454 Casull and .460 S&W Magnum. Because they tolerate a wide velocity range, they work well in both mild and heavy magnum load development. Always consult current load data from Swift or your powder manufacturer when working up a charge.
These are component bullets intended for reloading, not loaded ammunition. You'll be seating these 300-grain projectiles into your own cases with your preferred powder and primer. The box contains 50 bullets only.
Thanks to the bonded cores and the internal copper partition, the A-Frame holds onto roughly 95 to 97 percent of its original weight. It expands to about 1.65 times its original diameter at lower velocities while staying intact even past 3000 fps. That combination is what gives it such deep, straight penetration on game.
Yes, these bullets feature a cannelure, which gives you a dedicated crimp groove. That's helpful for heavy magnum loads where a solid roll crimp keeps bullets from walking under recoil. It makes assembling consistent, reliable rounds a lot easier.
| UPC | 713351453004 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 453004 |
| Shipping Weight | 2.3 |
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