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Swift's A-Frame rounds have earned their reputation over decades as one of the most consistently performing big game loads you can put in the field. The 160 grain semi-spitzer configuration in 7mm Rem Mag hits a sweet spot for hunters wanting flat-shooting ballistics without sacrificing the terminal performance needed for larger animals.
What makes A-Frame ammunition stand out comes down to bullet construction. The copper-jacketed design uses a pure copper jacket with an integral interior wall that separates two lead cores. On impact, this design creates controlled expansion of approximately 2.2 times the original diameter while retaining over 95 percent of the bullet's weight. This combination lets the bullet punch through heavy muscle and bone while staying together when velocity demands it. Field recoveries from African game show retained weights consistently in the 98 percent range, which is exceptional.
Loaded to a muzzle velocity of 2899 fps with 2986 foot-pounds of energy, this round maintains useful velocity well beyond typical hunting ranges. At 300 yards you're still running 2297 fps and 1874 foot-pounds. The 160 grain weight offers genuine value for medium-game to large-frame elk-sized animals. The 7mm Rem Mag's inherent flat trajectory combined with the A-Frame's deep-penetrating design gives you effective range without requiring specialty load development or esoteric practice.
Where A-Frames separate themselves from other bonded bullets is consistency. The shank lead stays isolated and protected behind that internal wall while the nose core bonds directly to the jacket. This means you get reliable mushrooming regardless of whether you're shooting through quartering angles, heavy cover, or making marginal hits. The bullet simply works across a wider velocity window than lighter, faster-expanding alternatives.
The 160 grain A-Frame excels on medium to large game animals including deer, elk, and moose. The controlled expansion and high weight retention make it particularly well-suited to tougher, larger-framed animals or situations where you might encounter quartering shots or need to drive through heavy cover. Many hunters use this weight as their go-to load for anything from whitetail to moose.
The A-Frame distinguishes itself through exceptional weight retention, often recovering at or above 95 percent. This is higher than most other bonded designs. The dual-core construction with an interior partition wall lets it deliver reliable deep penetration while still expanding, making it particularly good for the type of shot angles and variable distances real hunting presents.
Yes, A-Frame ammunition chambers in any rifle properly chambered for 7mm Rem Mag. The round is designed for standard magnum action rifles and works well across a wide range of barrel lengths. Most rifles will achieve the advertised velocity from 24-inch barrels, though longer barrels may see slightly higher velocities.
The A-Frame is primarily designed as a controlled-expansion hunting round rather than a long-range specialized load. While the 7mm Rem Mag itself is flat-shooting, the A-Frame's semi-spitzer design is more traditional aerodynamically compared to polymer-tipped alternatives. For shots inside typical hunting ranges to 400-500 yards, it performs excellently. Beyond that, you might consider loads with more aerodynamic bullet profiles.
| UPC | 713351100397 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 10039 |
| Shipping Weight | 1.39 |
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