Count 250 unites / 8 mm Steel Pellets / 8M-CSA Competition Grade – Carbon Steel balls (Ammo).

Competition grade: Carbon Steel, solid compound (uniform material) – no coating average weight 32.6 grains, tolerances: +/- 25µm. Recover with catch box, or magnite pick-up.

SASF (South African Slingshot Federation) requirements – compliant – Standard 8 mm – indoor discipline. Used for indoor and outdoor SASF Standard Discipline target shooting.

NOT for hunting. // See 9mm & 10mm //

10m ZERO – ballistic performance table.
Distance Yards	Velocity / speed	Energy fp/e	Drop	TOF
0	200 feet per sec	3 Foot Pound	0.0 Inches	0.000 second
2	195 f/s	3 fp/e	0.8 ”	0.030 s
4	191	3	1.2	0.061
6	186	3	1.3	0.093
8	182	2	0.9	0.125
10	177	2	0.0	0.159
15	166	2	-4.4	0.246
20	156	2	-12.6	0.340

Note: The maximum 2 fp/e – is required to knock down an SASF target, thus your singshot & pellet on impact must exceed 2 fp/e.

10m ZERO – ballistic performance table.
Distance Yards	Velocity / speed	Energy fp/e	Drop	TOF
0	280 feet per second	6 Foot Pound	0.0 Inches	0.000 second
2	274 f/s	5 fp/e	0.4 ”	0.021 s
4	269	5	0.6	0.043
6	263	5	0.6	0.066
8	257	5	0.4	0.089
10	252	5	0.0	0.112
15	238	4	-2.2	0.174
20	225	4	-6.2	0.239

A kettie sport-shooting athlete, should be able to “knock down” the steel targets at distances of 10 m, 15 m, and 20 m reasonably consistently to be competitive. The SASF Standard discipline targets are designed to require a minimum of 2 lbs (2x British pounds) of energy to knock them over. In real terms, this equates to shooting an 8 mm (carbon steel round ball) with a mass of not less than 30 grains (1.94 grams) and not more than 35 grains (2.26 grams) at a speed that generates in excess of 2 fp/energy. For example, an average steel ball at 32.6 grains (2,11 grams) at 200 fs generates 3 fp/e to 2 fp/e at 20 meters, and 280 fs generates 6 fp/e and 4 fp/e at 20 meters. Thus, speed is not the issue; it is about accuracy (external ballistics); in other words, placing the precision (grouping) of the kettie on the target.

Round-Ball (Kettie/Slingshot) External Ballistics (Accuracy), is actually very complicated, and we suggest you read: Ketty PHDee articles on the Ketty.co.za website. Note that Firearm BC (ballistic Co-efficient) ballistic solvers (calculators) – nor intended for “round ball” ballistics, could provide misleading information. Know this: there is no such thing as a “flat shooting slingshot. ” The moment the round ball (projectile) is released from the pouch, “pellet-drop” due to gravitational forces takes immediate effect.

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Alaska Ketty – SS All Weather

Alaska Ketty – SS All Weather – Display Set