6 dasher ballistics

6mm Dasher (105/108 GR Berger Bullet Data) Warning! (assuming you are running a tight-neck – which most Dasher shooters will do). Run ballistics with a 105 a 2950(6BRA&Dasher)3050(6xc-6x47) 3125(6creed-243) at those distances then factor in barrel life and powder cost .The dasher has been making its way up to the top in more matches . They have a .060” flash hole diameter, same as Lapua’s small rifle primer pockets. Several 6mm BR variants exist apart from the Remington and Norma versions: the 6mm BRX, 6mm Dasher, 6 mm BRBS 6 mm UBL. Really no point in going that route over a Lapua 6 BR/AI (AKA - 6BRA) if you haven’t already geared up for it. Low recoil and excellent external ballistics offer shooters the ability to use a flat shooting cartridge without getting beat up on long strings of fire. There is no SAAMI or CIP spec for 6mm Dasher. Based on this study, you're not going to gain much by going from 28" to 30". The 6×47 Lapua (6-6.5×47 Lapua) is a wildcat created by necking down the 6.5X47 Lapua to 6mm (not to be confused with the 6X47 which is a 222 Remington Magnum necked up to 6mm). Notes: Case trim length: 1.540; barrel length: 24"; COAL: 2.358"; bullets: 105 GR Match BT Target; 105 GR Match VLD Target; 105 GR Match Hybrid Target; 105 GR Match Grade VLD Hunting; 108 GR Match BT Target; all 1 in 8" twist or faster.WARNING - APPROACH MAXIMUM LOADS WITH CAUTION (Berger Bullets … Gunsmith Dan Dowling is credited with its invention. They will require a small de-capping pin, just like Peterson’s 6 BR casings. This will (hopefully) lead to better barrel life, less recoil and muzzle blast, and slightly lower reloading costs. These photos are of my targets while still fire forming my cases to the chamber. The Average Velocities showed a pretty steady increase of 8 fps per inch past 28". It offers about 3.5 grains (10%) more case capacity than the standard 6BR–good for an extra +130 fps with a 105gr bullet. And world-record-holder Richard Schatz is getting 3025fps with his 6 Dasher using a 26" Hart barrel. Another factor for choosing the 6 Dasher over other variants was the availability of dies from Redding, on a semi-custom basis. Step 1 – Neck-up the 6mmBR case to 6.5mm. With just a minuscule .8″ separating them, the two Creedmoor cartridges have almost an identical amount of wind drift. The 6 Dasher made by Peterson are offered in Small Rifle Primer (SRP) pocket size only. Step 3 – Neck-turn the 6mm portion of the neck. The longer neck Norma Dasher brass is reportedly softer than the Lapua based cases and will not hold the same pressures before loosing primer pockets. For example the Average Velocity at 30" was 16 fps higher than at 28". Step 2 – Neck-down just part of the neck – to 6mm (to hold the primer firmly against the boltface in your longer Dasher chamber). (Lapua is the preferred brass). However, the superior ballistic coefficient of the bullets used by the 6mm and 6.5mm Creedmoor helps give those cartridges a significant advantage over the .243 Winchester in terms of wind drift of around 4-4.7″. I am hoping that this rifle will duplicate the ballistics of my 6mm-22/250 AI, with much less powder. Pacific Tool & Gauge (Dave Kiff) is a good source for 6 Dasher reamers. 6mm BR Remington. Tom B. of Kentucky recently sent in pictures of his new Shilen Select Match 6 Dasher build along with this message: “I wanted to share with you the accuracy of that Shilen barrel, my new 6 Dasher, built on a new Savage 12FV. In 1978 Remington started manufacturing their Remington 40-X rifle in the 6mm BR and named their version of the cartridge the 6mm Bench Rest Remington. Effective out to 1000 yds, the Dasher holds the NBRSA 6-target 1000-yard world record Agg.

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