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4DOF inclined fire error

For my example ballistic solution, there is a 0.08 second time of flight difference between 600m LOS, or EHD of 600m @ 20 deg which is 563m.

0.93 sec vs 0.85 sec

This means that although the EHD solution accounts for the change in gravity vector on drop, the bullet still experiences greater drag over the longer time of flight, and actual elevation required will be more than the EHD solution provides. There will also be a windage difference.


For shorter ranges, smaller angles, and larger targets EHD is absolutely fine, e.g. for hunting purposes inside 400 metres.
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Your "Inventory..." How did it get that way?

I acquired my collection when I was single and making good money in O&G.

However, I was more about quality than quantity. My collection is not big by any definition.

I haven't bought a gun in years. I have enough to cover my bases and all the shooting I do (or don't) do.

I'm happy I did so back then, as I'm in a different financial situation today. There's nothing I really "need" in the firearm department. The only thing I'm really missing at this point is a large suppressor to adequately suppress the .300NM rifle I never shoot.

Firearms WTS MK14 Mod 2 w/ Nightforce Army Spec

Built on a crazynato kit, SA receiver and Krieger barrel. Smith Ent gas system and qd vortex.
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Comes with M60 sling, Smith Ent tool, 1 magazine, bipod and operators manual. Have box and docs for scope. $5200 shipped to your FFL.
Will sell rifle without scope for $3200 shipped to your FFL.
Not selling scope and rings separately at this time. Thanks for looking

Your "Inventory..." How did it get that way?

Interesting... I'd be curious to know how many retail stores actually have NIB WIlson's in inventory. I thought those were pretty hard to come by.
Store in Phoenix had, I think 7 Wilson's and half a dozen Nighthawks. He told me about another manufacturer who made a pair out of a meteorite, up around $1,000,000 for the pair.

Yeti Firearms






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Guns & Ammo

Accuracy international out of pocket calibers

To my knowledge I cut the first barrels for AI's in the following calibers:

6 Dasher, 6 BR, 6BRA in that order. The Dasher (2016ish) in fact, was taken to a match where several members of Team AI NA were in attendance and told the owner "That won't work, it won't feed". The owner then proceeded to win the match. Within 6 months he was wearing a Team AI NA shirt and I got several requests for mag kits and one of the Team members ordered a barrel from me.

That same owner also ordered a 450 Bushmaster from me and used it to great effect in a straight-wall regs area of his home state to clobber a bunch of deer.

I've also done a 458 Win Mag AI barrel for a guy in Ohio and a a 338-300 PRC Ackley for the same guy because he didn't want to deal with the Lapua for some reason.

Wade Stuteville made a 6 dasher barrel for my AI back around 2014/2015, but I cheated and used it on my AIAE Mk3 as I knew I could easily get it to run and feed from the single stack AICS magazines used by the AE... I tested feeding with dasher dummy rounds feeding into a 6.5cm barrel as proof of concept before I gave him the go ahead on the barrel. Pretty sure someone else had tried BR or dasher in an AI before I did because I remember asking about trying BR or dasher before I had the barrel done and was warned primer cratering might be an issue. The issue was AIs at that time had large firing pins which didn't play nice with small rifle primers, luckily Wade was one of the only ones offering bolt bushing and turning down firing pins for AIs at that time.

This was also before anyone was offering BR/dasher spacers and followers for the double stack AW mags. (Josh, I did use your AICS mag spacers in my 6 dasher AE and they worked great.)

As far as weird calibers in an AI, for a couple years I had one of Gilbert and Enriques 223 conversions in my AX...not very common. I think they also did a one off 6 Valkyrie conversion for Frank.

AI themselves offered some oddball cartridges in the very rare AW Varminter in the late 90s... they offered 223, 22br, 22-250, 22 middlested, 243, 6br, and possibly 22ppc and 6ppc, so I suppose AI themselves were likely the first to offer AI barrels in the BR family-- although in very, very limited quantities.