It’s a great load very similar to Buffalo Bore 45 ACP+P 255gr load just has a slight more velocity but less than 45 Super. Dispatch several moose over the years with the load in G21 pretty much has replaced my G20 and 220gr load for Alaska trail.
I still have my Ruger Red Hawk 4.2” 44 mag I carry it sometimes I have always prefer the 255gr Keith Hardcast at about 980 fps with HP-38 in it also. I went to the G20 about 20 years ago when good Hardcast 22 BHN were being introduced using 800x and 200gr Hardcast then I was loading around 1200...
Yes KKM barrels it a great upgrade premium barrel
Match grade good case support stainless steel
I automatically upgrade after purchase for G20 and G21 for Alaska trails. KKM barrels on Glocks is very popular in Alaska. Suggest go to KKM website and read up. Never used bear defense loads in OEM...
Why use 45 Super brass ?
Use this brass only if you have unsupported chamber !
I have used regular WW brass/ Starline all the up to 950 to 1000 FPE loads with excellent results. Max case expansion is .481” don’t go past this in KKM barrel.
My 45 Super brass+P loads I keep them at
9.0 of Long...
The load I use most often in Alaska Trail a little more than 45 ACP + P and a little less than 45 Super.
RimRock 250gr RNFP Top Shelf Hardcast .451”
8.0 of Longshot
Starline 45 ACP Brass
Fed 150
1.190”
Lee Factory Crimp
1000 FPS
4.6” KKM and 20lb Spring
Glock 21 Gen 4
In Alaska my G21 Gen 4 Trail Pistol
45 ACP +P
RimRock Hardcast Top Shelf 250gr .451
8.0 of Longshot
Starline 45 ACP Brass
Fed 150
1.190”
Lee Factory Crimp Die
1000 FPS in 4.6” KKM
20 Pound Spring
Rim Rock Top Shelf 250 Gr RNFP 22 BHN
9.0 of Long Shot or Power Pistol both are excellent loads at just over 1100 fps in 5.2” KKM and 22 Lb spring
Really Like the Bullet in 45 Super
WW or Starline 45 ACP Brass with Fed 150 primers
No Comp Needed
G21 Gen 4
Bear Protection Load
I have 338 Lapua here in Alaska it’s my Stand gun mainly for Moose hunting off BOGG tripod ball Mount with Arca Swiss mount.
A Christensen Mesa Bronze in a Bronze CA MPR stock it’s 13.7 pounds with scope and tripod attached. Makes shooting very enjoyable and long shots easy with Barnes 250gr LRX...
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