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.223 for bear, mountain goat, deer, elk, and moose.

It appears we have some new information on the velocity threshold of the 77 gr TMK. This video seems to show that 77 gr TMK is still expanding well at velocities of 1650 FPS, which would seem like justification to revise my previous estimates of 1650-1700 FPS down to 1550-1600 FPS. Firing the...
- LimeSpoon
- Post #869
- Jul 16, 2021
- Forum: Firearms
L
.223 for bear, mountain goat, deer, elk, and moose.

Out of spec feed ramps or parts can cause issues with tipped bullets; if the bullet is impacting at an excessively steep angle and/or there's not enough space in the barrel extension cutouts you can see problems. If your rounds are feeding at the appropriate height into correctly shaped ramps...
- LimeSpoon
- Post #719
- Feb 12, 2021
- Forum: Firearms
L
Why Match/Target Bullets For Hunting

Many thanks! I assume that most of us are aware of the performance of 77 gr TMK already, but if I may add my own personal data points: A couple of photos of my personal ballistic gelatin testing of the Black Hills loading, conducted a few years ago with a couple of friends. Top photo...
- LimeSpoon
- Post #100
- Feb 4, 2021
- Forum: Firearms
L
Why Match/Target Bullets For Hunting

As noted previously, the 77 gr SMK bullet used in the Mk262 loading is not really an expanding bullet, at least not in the legal sense of the term. Accordingly, it is allowed for use by both signatories and non-signatories. A better example might be the 9mm Winchester XM1153 JHP: The...
- LimeSpoon
- Post #97
- Feb 4, 2021
- Forum: Firearms
L
Why Match/Target Bullets For Hunting

I figure I'll use my first post to add to the plethora of useful data contained here, because it's frankly quite rare that you see such a worthy resource of sound terminal ballistics information on a firearms forum thread, outside of maybe something like a pistol-forum post started by Dr. Gary...
- LimeSpoon
- Post #91
- Feb 4, 2021
- Forum: Firearms