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How does one go about finding the Rt/R value of a bullet. Thanks in advance.

Does anybody know how to calculate a bullet nose ogive? If so can you please share the formula. Thanks in advance.

Finally got the Smithmount installed on my M1A and have it bore sighted with a Leoupold Mk4 6.5-20x scope on it. With a 100yd bore sight zero I have about 13MOA of elevation left. I haven't gone to the range yet but just kind of wondering ballpark how much you get. Hoping it actually shoots...

I'm going to be putting my Smith m14 mount on my other M14. When I tried it on my full blown NM service rifle it didn't appear the scope rail axis was parallel with the axis of the bore and was offset. Is there a way to make sure everything is lined up straight? Any advice on mounting it...

Ok first I will say I am not LEO or Military sniper so my shooting applications are different. I shoot NRA across the course, mid/long range prone, along with just the regular range shooting, etc. I started shooting in 2007. In late 2008 I came on to hBN after a friend of mine who is a LEO...

For those of you who have used IMR-4350 how temperature sensative is it? I worked a load up with my .243 after getting a new barrel on it. The charge I found shoots very nice groups at 45gr and pressure signs such as totally filled primer pockets don't start to show till 45.5gr. However the...

For all my cartridges quickload is ussually spot on or fairly close to actual measured velocities, however with my .243 it is a different story and I'm needing some help here. I'm loading 105gr Nosler CC's to an OAL 2.936 with 44.5gr of IMR-4350 Worlf LR primers and Winchester brass out of a...

2 years ago worked up a load that shoots very well for my TRG-42 with Lapua Brass, using 92.5gr of H1000 and 300gr SMKs. When I was working it up I didn't notice the bolt operating hard at all. However recently when I've shot it the bolt will lift very easy untill it comes to the final part of...

Was just wondering if anybody has tested the new Sierra 7mm 180gr SMK and if so does it need the 1:8 as advertised? I use a 1:9 with the 175gr SMKs. What is the OAL of the 180gr SMK?

Going to make my own Carrier Weight System. Question I have is the Tubbs CWS with tungsten insert is 4.05 oz or 114grams. How heavy can you make one and still have it function? Plan was to use tool steel and make it 2.75" long which looks to be max length and not interfere with the trigger...

I have a GAP 7mm WSM and I'm currently loading 63gr of H4831SC with a 175gr SMK. Have switched over to H1000 in my .280 and was going to do the same in my WSM and was just wondering how hard it can be pushed. With the load above I'm getting around 2920fps from my 28" Schneider.

I need to move the scope on my .338LM farther forward. I need to know if there is a formula that says how much MOA to adjust the scope if I move it a certain distance forward. If anybody can help be appreciated. Thanks in advance.

Was wondering on the front aperature sight that comes with the Kimber 82G's, does a Gehman 18mm diopter lense fit? I shoot lenses on my match rifle so was wondering.

I'm purchasing a TRG-42 in 338LM and mounting a NF 5.5x22x50 scope on it. Was thinking about the NF unimount since it has built in 20 MOA and the integral rail on the TRG is flat, is this ok, or is there a better option? Thanks in advance