Consult appropriate load manuals prior to developing your own handloads. They are only safe in the rifle shown and may not be safe in yours. WARNING: The loads shown are for informational purposes only. While you are at it, if you want a good laugh, take a gander at Does size matter? Custom Remington 700 16.5″ 300 Winchester Magnum follow up– my fillings still hurt from that one. To see how barrel length effects velocity in the 300 Win Mag, take a look at 300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16″ 300 Win Mag? for an empirical data set we gathered on a match grade barrel. The barrel on this rifle is 24″ long, fairly short for a 300 Win Mag- especially for the heavier bullets.
To learn more about how I built this rifle, please see Building a 300 Winchester Magnum Precision Rifle. Shilen Select Match barrel, #7 1:10 twist.Built primarily with parts from Brownells, the rifle includes: 629 above 2,100 cond, the 195 TMK offers middle of the pack performance in terms of BC.
670 above 2,500 feet/second, and 220 SMK with a BC of. Compared to my other favorite 300 Win Mag bullets, the 190 SMK with a BC of. 610 above velocities of 2,000 feet/second. The 195 TMK has a G1 ballistic coefficient (BC) of. I couldn’t help but wonder if the 195 TMK would offer similar advantages in the 300 Win Mag. My testing with the 308 Win showed the 195 TMK was a great alternative to the 175 SMK. The weight was an interesting choice, heavy for a 308 Winchester (Win) and light for a 300 Winchester Magnum (Win Mag). 308″ diameter 195 grain Tipped MatchKings (TMK) I was thrilled to get my hands on some. cells marked in yellow are not dangerous but indicate possible (but not necessary) suboptimal characteristics such as extensive muzzle flash or inaccurate loads.ĪDI AR 2206H, ADI AR 2207, ADI AR 2219, Accurate 2015, Accurate 2230, Accurate 2460, Accurate 2495, Accurate 2520, Accurate 4064, Alliant AR-Comp, Alliant Reloder-7, Alliant Reloder-10x, Alliant Reloder-15, Hodgon BL-C2, Hodgon Benchmark, Hodgon H322, Hodgon H335, Hodgon H4198, IMR 3031, IMR 4198, IMR 4895, IMR 8208 XBR, Lovex D073.4, Lovex D073.5, Lovex D073.When I found out Sierra was introducing. max pressure of load in percent of the maximum allowed pressure for this caliber 224 | 69gr | Sierra Tipped MatchKing bullet.
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