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.303 Balistix RBT Huntac

.303 Balistix RBT Huntac

R 575.00

Balistix RBT HunTac BC & Twist Rate

Calibre Bullet Weight Bullet Type G1 BC G7 BC Barrel
Stability Factor (SG)
Sea Level @20DegC
Stability Factor (SG)
Highveld (1400m)
@ 20DegC
.243" 75gr RBT HunTac 0.27 0.13 10 1.41 1.63
.243" 85gr RBT HunTac 1.35 0.17 8 1.65 1.95
.264" 115gr RBT HunTac 0.38 0.19 9 1.4 2.21
.264" 125gr RBT HunTac 0.43 0.21 8 1.5 1.78
.277" 130gr RBT HunTac 0.40 0.20 10 1.67 1.98
.284" 140gr RBT HunTac 0.39 0.19 9 1.67 1.93
.308" 155gr RBT HunTac 0.37 0.18 12 1.55 1.84
.308" 165gr RBT HunTac 0.40 0.20 11 1.62 1.92
.308" 175gr RBT HunTac 0.42 0.21 10 1.75 2.08
.303" 170gr RBT HunTac 0.42 0.21 10 1.97 2.33
.338" 250gr RBT HunTac 0.54 0.27 10 1.75 2.07



Balistix “HunTac” Bullet:
HunTac bullets provide a true multipurpose capability for both Hunting as well as Tactical applications. The shorter ogive design allow for better use in repeater actions magazines, hence the “tactical” reference. The “open tip” design promotes bullet expansion when used for hunting. HunTac bullets are similar in design as our Target bullets and therefore similar load data is applicable to both bullet designs. The Target bullet provides for a more cost effective load development option for using the HunTac bullet. HunTac bullets provides exceptional accuracy and ease of tuning.
G1 BC:
Mathematically calculated at Mach 2.5. G1 BC is derived from a flat base design model and should not be used for long range ballistic trajectory calculations. G1 BC is however sufficient for short range (up to 300m) shooting.
G7 BC:
Mathematically calculated at Mach 2.5. G7 BC should preferably be used for a boat tail bullet design therefore more applicable to Balistix bullets.
Actual BC:
Please note that actual BC is drastically influenced by muzzle velocity and atmospheric conditions. Please follow the procedure on our website in order to determine the exact BC for your rifle.
A Rebated Boat Tail bullet combines flat base bullet accuracy properties with boat tail BC enhancements. International studies have shown that a Rebated Boat Tail design can yield an increase in accuracy of up to 15% compared to conventional boat tail designs.
SG (Gyroscopic Stability Factor):
SG < 1.0 = unstable and should not be used.
SG 1.0 to 1,5 = marginally stable*. This is a “grey zone” and tests with your rifle and bullet combination will reveal a stability problem or not.
SG > 1,5 = perfectly stabilised.
* Please note that marginally stable does not mean the bullet will not shoot well. If your bullet holes are perfectly round/symmetrical on a paper target it implies that the bullet is stabilised in your rifle. If you note any form of “key holing” on your target, at any distance, then your rifle and or environmental shooting conditions are not suitable for our bullet.
Balistix Information File Version:
Information and product may change without notice. Please check web page regularly for latest revision. Revision date is underneath information table.

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