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Charles, the first three photos are of HG fittings both Jeff and i use. It may not show it, but the fitings are 2" in diameter for stretching 1 1/2 inch barrels tapering off to about 1 1/4 inch. The cost of the component material may vary a little, but the time to make them for any class gun is...

These are some photos of what we use for tubing and fittings for some of our HGs aswell as the target shot by Jeff and myself over the weekend. The group of Jeff's rifle with the tube fitted is not in my keeping. He has that. The last photo shows the 6BR and some of the different types of Tunas...

Charles, the weekend just gone where Jeff did his test of with and without the tube fitted, i was also there with a LV in 6BR fitted with a tube that had a slender barrel profile inside. I went with a 67 grain bullet i was given as a sample pack, a 30 grain charge of a powder i had never used...

James, i have already had this discussion with Jeff about the alloy you are using. Here in Aus, those 2000 grade alloys are regarded as free machining in most, but not all applications. The "T3" is the tensile rating of the alloy, T2 thru T7 is the standard range. When we used a 2000 grade...

My apologies to J Valentine. I was not taking a swipe at you or your post and i did note that you stated as advertised BCs. What i was taking a swipe at was the highly inflated BC for the 168 Berger. Brian, from our very agricultural methods, compared to yours, we have long felt the 168 SMK...

I think Bruce was after real world BC. .648 for the 168 Berger is not in this world. .548 may be closer. Tony Z.

Tom, since you have gone to all this trouble, why not utilise the thread on the muzzle and get yourself a piece of alloy tubing and stretch the barrel. It would be interesting to see if there was any change in the performance. Years ago i had a 7mm barrel that would orbit just one shot out of...

In 96 i did a 3 lugger with 45 degree mating lugs. The theory says that the shear forces on load is such that it is directed into the center of the bolt body and not in a sraight linear direction as with a square cut lug. Maybe more than double the strength for a given lug size. But the closing...

Alan i am pleased to hear that. This is the first time i have heard of such a notion and feel that time could be better spent writing rules that do not alienate potential shooters from another pool source. BR shooters are a barrel away from shooting FClass and as such if one was to come and join...

If there was ever a way of getting rid of my little black ass from the FClass ranks, just bring in a restriction in Aus on free recoiling a rifle. I suppose this is seen as an "unfair advantage" or maybe it too has a BR aura about it. Who has the time to sit down and think of this crap? On...

John, to answer you about the three lug choice, would be simply i just wanted to see if i could get one to work at LR. No advantage really, and to make it smooth and quick i had to make up roller cocking pieces to get the bolt lift to what i would call acceptable. If i were to do one again, it...

Try the blog archives maybe. It is there somwhere. Maybe aJR can help here.

If we ask aJR very nicely, he may post a couple of pictures of the Remroid. If you search 6br.com under aJR or Jeff Rogers you may find the write up. I don't think there are any closeups of the action, just the complete rifle. Here is a 3 lugger i built in 96. Alloy and insert with the drop...

Stavax is a far superior steel using the inverted double melt process and chemical nitriding is better hardening option as distortion is minimal. I already use 32 x1.5 threads and most importantly you don't list a roller bearing on the cocking piece and extraction cam. These are a must have on a...

This thread has been a good read. As a machinist i can add just a little here. The nature of machining on either a CNC or on most workshop lathe means that a taper is part and parcel of machining an internal thread. Mainly due to flex of the cutting tool and limited number of finish cuts made...

Shoerooter, i would have thought the only problem you would be having with scopes down your way would be all that coal dust coating the lenses:D. A simple answer to your fogging problems is to just move on back to North Queensland:cool: How did that bolt work out in your FS rifle? Take care...

Wilbur said "This camp can dissolve in seconds for about 200 bucks each worst case. When enough rifles are equipped with tuners to begin winning an appreciable number of aggs, the snowball will grow." It could be that if we replaced the word tuner with moly or 30 BR or 6mm Beggs, the phrase...

I think that the arguement of whether a tuner is worth the effort or not will probably become as perpetual as the arguement of to use moly or not or if a 30 BR can win group aggs and matches. Its been a long time since i played with a centrefire and tuner so this stuff is slowly coming out of...

For about the 100 th time i have found these threads on tuners very interesting to say the least. I can recall back to the days of BR50 when a certain Bill Calfee published diagrams for all to see of his split clamp tuner for rimfire barrels. As to be expected many went out and built one and off...

Seb have a look at the photos below. Seb, i have been playing around with stocks and their configurations for a little while now. This one i did about 12 months back. It was primarily for my 30 BR but it worked so well that i now use it as my LG for 1K in 280 AI. All i can say is that it can be...