Accurise

Accurise

Share

Aim for Accuracy!

27/04/2025

Accurise has evolved! We are now merged with Magnum Sports and will continue with our exclusive products under the Magnum banner.

Thank you to all our customers over the years who have chosen Accurise, we truly appreciate your business and hope that you will look us up at Magnum Sports.

https://magnumsports.com.au

Photos from Optex.Outdoor's post 12/01/2025

Great upgrade for your Bulletseeker and Speedtracker App!

17/12/2024

Bullet pointing for FTR competition; is it worth it?

This is a very common question I've gotten over the years. The answer is in terms of BC increase, and BC uniformity. Modern Advancements in Long Range Shooting - Volume 2 has a chapter dedicated to extensive testing done on .224-.338 caliber bullets to measure the effects of pointing (and trimming) on BC and BC uniformity.

This post answers the question in a different way; in terms of hit % within the 10 ring on the 1000 yard F class target.

A common bullet for FTR is the Berger .308 caliber 200.20X Hybrid. This bullet has a G7 BC of 0.328 out of the box, and is often pushed around 2650 fps in long barreled 308's.

According to our testing, the average BC of this bullet increases about 4% when pointed, and an increase in uniformity of 20% (meaning the BC SD is 20% less for pointed bullets).

Using these parameters, the modeling in the graphic was done assuming a 3 mph wind bracket, 5 fps MV SD, and 0.6 MOA average 5-shot groups at 100 yards.

As it turns out, the hit % on the 10-inch 10-ring is improved from 89% for unmodified bullets, to 91% for the pointed bullets. Roughly 9/10 shots in a 10" circle.

Those are both scores of 198-?x, with the pointed bullets being a little inside. Statistically, that 2% difference should round up to a point every 50 shots.

That may not sound like a lot. However, in a long tournament, the winners are often decided by less than 1 point (x-count). For example, a weekend tournament may be comprised of a 3x1000 on Saturday, and a 2x1000 on Sunday, for a total of 5 matches, 20 shots each, 100 shots total. This analysis predicts that, all else being equal, you should score 2 points higher with pointed bullets than non-pointed, over the 100-shot course of fire.

Follow me for Ballistics⚡⚡

Visit the Science of Accuracy Academy for more information: https://thescienceofaccuracy.com/

Photos from Bryan Litz Ballistics's post 16/12/2024
Photos from Applied Ballistics's post 04/12/2024

New AB solver with Speedtracker integration! Only Doppler radar to be integrated so far.

11/11/2024
Barnard Extractor Kit: 308 Model P (free shipping) 24/09/2024

Barnard Model P 308 extractor kits shipping in late October. Limited once off batch- spread the word!

Barnard Extractor Kit: 308 Model P (free shipping) Shipping will commence in week 4 of October 2024 3 piece extractor kit - extractor claw, spring and piston. Brand new manufacture: 4340 steel.

Want your business to be the top-listed Gym/sports Facility in Sydney?

Click here to claim your Sponsored Listing.

Location

Category

Address


Sydney, NSW
2111