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The phenomenon of degraded accuracy when switching from jacketed to solid bullets is quite common. 20+ years ago most guys were using monolithic brass bullets in the FCSA .50 ca matches, but found if they tried to switch to a 750 AMAX, or visa versa they had to completely scrub the barrel clean...

Something that is often forgotten when looking at making these large wildcat cases and trying to push heavy projectiles at sufficient velocities is the lack of availability of consistent canister grade powders with slow enough burning rates. Back in the early 90's those of us in the FCSA 50...

I won 5 FCSA 50 Cal national championships using Ken's barrel's. He is my first choice for any rifle barrel.

I have been a member, and match competitor in the Fifty Caliber Shooters Association (FCSA) since 1992. I have used both the NF Benchrest series and NXS series, and the S&B PMII 5-25 on competition .50 bolt guns, & prone/tactical semi-auto and bolt .50's (Barrett M107A1 & the Navy Mk15/McMillan...

I'm up for a surprise Kasey! It'll keep me going until the 5-H is available! Scott

Thanks guys! I will talk to the above suggestions, and go from there.. Wes, I still have the Mk12 you built for me years ago, and it still shoots like a dream. It is also my son's favorite rifle! Scott

I have a Mk11 complete kit, sans supressor. I also have a 1994 vintage SR-25 with a 24" Remington 5R barrel. This has the carbon fiber or polymer tube forend. I would like to replace the round tube with a railed forend. Can anyone suggest where I can order the correct parts, and a smith to...

I also went through the Gunsite ELR course in October 2012. I have a long throated .338 LM put together by GAP with a Seekins Bottom Metal and magazine which allows me to seat the .300 Berger Hybrids (or Scenars) out long enough to use 95 grains of Retumbo, and an average muzzle velocity of...

Jim, Looks good! That load seems to be the sweet spot for the AMAX! I usually suggest people start with your exact load when beginning to reload. Keep us posted on your 1 mile results! Scott Nye

2930 fps using Lapua brass, Fed 215M, 95 gr. Retumbo, 300 gr. Berger hybrids, 28.5" barrel with long throat. Rounds are well past CIP mag length, but I use the Seekins bottom metal and magazines, so COAL is 3.855, and I am still off the lands. I may try to go a little longer yet. This...

I tested one of these on my M88 PIP .50 BMG when Gale McMillan was still alive. He provided a sample so I could demo it to the instructor cadre at the school house. I don't remember the exact magnification of the scope, but I do remember the 80 mm objective, and the NV module attached to the...

The first thing I would do with it is to change the muzzle brake. The brakes on those things were of notorious poor design. I don't know the thread pitch on the barrel, but after removing the brake, it would be easy to measure. This one change will make that thing FAR more enjoyable to shoot...

Steve, No worries. I should have called you when they died. Just got busy and forgot all about it... My responsibility! Scott

I have tried most of the electronic muffs on the market. I have found the Peltor 7S and some of their other high end muffs to provide the best protection and excellent durability. My experience has been mostly around shooting .50's with muzzle brakes, so there is a lot of blast, and...

I picked up 2 pair of the Sordin's from Steve 4-5 years ago. Both pair died within minutes of each other when exposed to .50 BMG muzzle blast. I guess it was just too much for them to handle. They worked fine with everything else, but not the .50's. I never saved the receipt or registered...

I would also recommend the 511 packs. I use the middle sized one everyday, and when traveling. Lots of pockets and places to store things so you don't have to sort through one big area. I have both the large and small ones too, but use the middle sized one the most.

One thing to keep in mind, while the .408 may (and I say may, only because no one has tried to make an AP type .375 bullet that I am aware of), have an advantage with the original Jamison solids and privately produced projectiles, the idea that the idea that the US military is going to adopt the...

One of the issues IRV touched on, but many may not entirely understand, is that a .50 BMG RIFLE, has a dual impulse recoil. This effect is caused by the muzzle brake. In our testing back in the early 90's, we found up to a 21 g reversal in the recoil as the cycle was completed. In other...

TSI 301. -95 F to 450 F. Available from NECO products.

.50 cal rifles were notorious for eating scopes that were not robustly made, and had the optical elements glued in solidly. There were many a shooter who discovered this in the '90's before mfg's started to build them stronger. There is a 21 g reversal in recoil/muzzle brake impulse the rifle...