6 Dasher Bushing size | Sniper's Hide Forum
Oct 19, 2024. #4. I’m using a 266 bushing with newer lot alpha dasher brass. It pins to 241 after a .2415 mandrel. Older lot I have uses the 265 bushing for the same interference fit. Using a 109 Berger, my pet load is 31.7 grn of varget at 2850 at .035 off the lands.. Running the same barrel that you are, also.
6-Creedmoor, bushing size. | Sniper's Hide Forum
Jul 30, 2013 · I reload 6mm CM and with a tubing mic my Lapua brass neck thickness measured 0.0135" and my Hornady brass neck thickness measured 0.014". For 0.002" neck tension I bought both 0.268" and 0.269" bushings. But I also use a Sinclair mandrel after sizing to get consistent neck tension. I have found enough variation of the neck wall thickness which ...
What size neck bushing for .308 Lapua brass? - Sniper's Hide
Oct 14, 2009 · Re: What size neck bushing for .308 Lapua brass? Yeah, I prefer to one unfired brass through a FL sizer die to ensure all brass is identical in size. Some say its not necessary, I say its a healthy precaution. As far as bushings go. +.308 bullet +.015 brass side 1 +.015 brass side 2 =.338-.002 neck tension-.001 brass spring back =.335 bushing
6.5 prc bushing | Sniper's Hide Forum
Feb 18, 2014 · The way you get a bushing size is (caliber)+ (2x neck wall thickness)- (desired neck tension)=bushing size. So even with Spifes example your bushing would be .290 since You want to have 5k neck tension. Which I can understand since you said it's a hunting rig not a 2k neck tension PRS rifle. Last edited: Aug 27, 2020.
Bushing Size For 223 Lapua Brass | Sniper's Hide Forum
Oct 20, 2018 · A .249 would provide .002 if you remove the expander ball from the die. Just have to be aware of brass spring back, a .250 may actually leave necks .251 so it wouldnt be enough hold and a .249 bushing may actually leave them at .250 for less than you would have figured.
What neck sizing bushing to use for 6.5 creedmoor
Jul 16, 2020 · May 5, 2021. #3. You measure the neck of a case with the bullet seated. Then deduct .002 for the neck tension. The bushing size depends on the brass you are using. As an example, I measured a factory Hornady 6.5 Creedmoor case with the 147 gr. ELD Match bullet seated. The loaded round measured .290 at the neck, and after firing it was .294 inches.
Brass or Bronze bushings? What's your preference, and why?
Apr 17, 2014 · MARK A. BUTTERWORTH said: It is widely and incorrectly assumed that bronze is harder than brass in the bushings. In independent testing, the brss has been shown to be about 18% harder than the bronze. Although we sell both kinds, I seems to me that makers have used brass for the last two centuries or more for a reason.
Neck sizing - calculating bushing size confusion - Sniper's Hide
Nov 29, 2009 · Re: Neck sizing - calculating bushing size confusion I use method 2. You will need a .364 bushing for your brass, and remember you will get a little "spring back" in your neck after you size. Some brass springs more than others and some manufactures are thinning down their brass so keep a eye on that also.
what size bushing you using for the Lapua 6.5 creedmoor brass?
Nov 22, 2012 · The brass is all once fired with 42.2 grains of H4350 and a 140 ELD. I am also using Redding dies and bushings. The bullets are also seating with little force but it's hard to tell how hard on my CO-AX.
brass versus bronze bushings - NAWCC Forums
May 29, 2008 · Relative to steel, and especially hardened steel, brass and bronze are both relatively soft. I suspect that in the real world the care the clock receives, how regularly it is cleaned, the environment in which it operates, the type of oil used etc., may be just as important as the choice of brass or bronze as the bushing material of choice.