Shartac/Edgetac 375g testing

Shartac/Edgetac 375g BH and FPs

Back in Feb 2022, I was contacted by Dave at Shartac to see if I would be willing to test these BHs. I reluctantly agreed but expressed my reservations.

I tested with a BD400 and an X1.

The BD arrows were 20” Zombies, 110 insert, flat plastic nock and AV3 vanes, made by Boo. Weight total - 691g. 287’/sec (27.3 FOC)

The X1 arrows were a rough prototype of the new KI match or heavy arrow. 22” KI shafts, non-indexed , 130g inserts, ARC nocks, and 1 degree offset Heat vanes. Weight total 750g. 289’/sec (26.3 FOC)

I tested at 20,30,40,50 and 60 yards. 20 yard accuracy was 1-hole for each. 60 yards was the farthest tested and accuracy was excellent.

A prototype KI scope with a minimum speed setting of 340 was used on the BD. Again, actual launch speed was 287’/sec. I sighted in at 20 yards on the scope’s lowest setting of 340’/sec. I then shot at 30, 40 and 50, and it was shocking dead on!! This scope was the one that had poorly spaced 60 and above range lines. 60 was off virtually the same as it was with the KI 390g arrows. The trajectory was surprisingly flat. I called Brian Miller who stated that he was having a similar experience. The ballistic coefficient had increased so much that the trajectories of the arrows from both xbows were drastically affected for the better. From Brian Miller: stock KI arrow BC - 0.083, with 375g point - 0.125, with 775g point - 0.269. Those are big jumps. Trajectory-wise (when initially sighted-in @ 20 yards) much of the velocity loss is made up for by the increased BC.

Accuracy (60 yards). Many of the times i tested the field points through the X1, the groups were essentially 1-hole. Other times, up to 1” and always vertical. The BHs consistently hit within 1/2” of the field points and generally grouped 1/2”. The AV3 vanes were significantly more accurate than other vanes through the BD. I got the same level of accuracy out of the X1 with the KI shaft arrows.

The 375g BHs were very hard on my 18-1 targets and I used a 1/4” plywood backstop.

Summary. Extreme accuracy through 60 yards. Surprisingly flat trajectory. Very quiet, as can be imagined. I expect they would pass through virtually anything and whatever is hit will die very soon. No need, out of these two drastically different xbows , to practice with the broad heads since they truly hit where the field points hit. Note: all testing was with the broad heads indexed @ 12/6.

Pictures with captions will follow.