Guys that is an interesting discussion and I had thought about a 20 cal long range rig, but scrapped the idea when I saw Berger was no longer making the 55 gr 20 cal bullets. Then I see the Graf link in this discussion and they have the 55 gr bullets, so the 20 cal long range rig is back on the table! Good news! I would give a hard look at using the 204 with a fast twist barrel as one option, as Farmer 44 is saying, for all the reasons he says. Great discussion.
ultimate 20 cal long range rig
- Thread starter farmer44
- Start date
xswanted
Gold $$ Contributor
I ran an 8 twist 204 with 50s and 55s for a couple years. 24” barrel would run the 55s at 3300 pushed hard with H4895 but it was still not that impressive past 500.
A 75 from a .224 is a vast improvement.
204 was fun out to there but too much hassle when a guy can go to the bigger cases for a 20cal rig.
I remember that PS article. Pretty good read.
20 GT Anyone?
Took my Blaine Eddy neck reducing plate and spun a 6 GT down, and seated a 55 Berger man it looks cool kinda like a baby 6-284. ~1 gr less capacity than the occasionally built 20-250 that those who build them love, thought it might be interesting to get some thoughts on it.
forum.accurateshooter.com
20 GT--build one, use it, then write it up for us retired folk to read about.
17VLD
Gold $$ Contributor
It's amazing what's come to the table in just the few years since this thread was started.
Lapua now is making 6 Dasher and 6 GT, 2 great cases to form down to 20 without fireforming and all you really would need for the Berger 55. Heck maybe in the next couple of years we will see a 20 caliber ELD-VT that rivals the 55 for distant varmints.
Matt
nakneker
Gold $$ Contributor
Me could hope, I have a pile of the 55 gr Bergers, bought some when they topped making them and another 1k from Grafs a couple weeks thanks to a heads up, from you I believe. 20 GT reamer is delivered, should have it in about a year, still need to ordered the action and barrel. Probably gonna use a Kauger elite.
Gabe22BR
Gold $$ Contributor
It’s shame their offering 6dasher brass, only 10-15yrs too late.. Ive been on the BRAI wagon since ‘05
They quit the 221FB, expect it for the dasher..as the GT , I believe it’s gonna stay..
Too bad they can’t keep current offerings instock..
Nakneker, where did you order reamer from ??
I got my resize 20-221AI reamer from JGS already, soon to have complete 20PPCAI complete set w/ gauge also.. in couple weeks..like 5/6 week turnaround…
They quit the 221FB, expect it for the dasher..as the GT , I believe it’s gonna stay..
Too bad they can’t keep current offerings instock..
Nakneker, where did you order reamer from ??
I got my resize 20-221AI reamer from JGS already, soon to have complete 20PPCAI complete set w/ gauge also.. in couple weeks..like 5/6 week turnaround…
nakneker
Gold $$ Contributor
JGS. They make it easy, great reamers too. Sounds like you already know all that though.. Lol.
What bullet you plan on using for the 20ppc ai?
Gabe22BR
Gold $$ Contributor
Bib 40 out of 1-8” hopefully
-try 55 only at 100yds& 200yd group competition only
Or the 32’s at blistering speeds…
Competition barrel only..
Just gotta test & see what beats the wind…over a 6ppc…
What speeds are you thinking for the 55?Bib 40 out of 1-8” hopefully
-try 55 only at 100yds& 200yd group competition only
Or the 32’s at blistering speeds…
Competition barrel only..
Just gotta test & see what beats the wind…over a 6ppc…
The dasher moves the shoulder forward .080 while the bra just blows out to 40 degree’s. Overall length is the same so the bra has a longer neck, where the dasher has slightly increased case capacity. Forming bra is easier then dasher but with factory offerings from multiple manufacturers now it’s doesn’t make much of a difference. Both are extremely accurate. The long range benchrest crowd is dominating with the bra, while the PRS crowd seem to favour the dasher for the slightly added velocities
Hi,
I have a Titan, pushing 55 grain Bergers, 1 in 7 twist, and I find that the speeds quoted exceed the 50,000 PSI capacity of the brass used.
I have turned necks and had to restrict loads to the 50,000 threshold to be able to reload the brass.
How do you achieve those speeds, without excessive pressures, and stretching primer pockets?
At 3000FPS - 50,000 PSI published data shows it is still comparable to the 300 Win-Mag for drop and drift.
I like to keep speeds to less than 4000FPS ( Speed is not everything! ) as I find the barrels last longer, especially in a hot climate.
My Vartarg at 3600FPS in 1 in 8 twist pushing 40 grain projectiles is a great rifle also, it has great accuracy up to 300m and is fine with multiple shots without overheating and causing excessive barrel wear.
Mike 527.
806guns
Silver $$ Contributor
Whats your go to powder in the titan? I'm running 8208 at 3500 with 55gr bergers at 2.200 oal
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