Norma Oryx Silencer 156 gr

6.5x55 Swedish · 156 gr · Oryx Silencer · #20166432. Maker-published figures, velocity measured in a 20″ barrel. Below: the drop chart, the wind, the energy, and how far it is an ethical hunting load — then shoot it.

Shoot this load through the glass →Hunt with it

G1 BC: 0.348maker G1
Muzzle velocity: 2,559 fps20″ test barrel · ~22 fps per inch
Muzzle energy: 2,268 ft·lb156 gr at 2,559 fps
Transonic: 550 ydMach 1.2 — where the solver stops being sure
500 yd: 4.5 mil663 ft·lb on arrival
Twist: 1:8typical factory twist for the solve

Drop chart · 100 yd zero · 10 mph full-value wind

Range yd	Elev mil	Elev MOA	Drop in	Wind mil	Wind MOA	Wind in	Vel fps	Energy ft·lb	TOF s
50	0.1	0.3	-0.2	0.2	0.5	0.3	2,421	2,029	0.06
100	0.0	0.0	0.0	0.3	1.1	1.1	2,286	1,810	0.12
150	0.3	1.0	-1.5	0.5	1.7	2.6	2,156	1,610	0.19
200	0.7	2.3	-4.9	0.7	2.3	4.8	2,030	1,428	0.26
250	1.2	4.0	-10.4	0.9	3.0	7.7	1,909	1,262	0.34
300	1.7	5.8	-18.2	1.1	3.7	11.5	1,793	1,113	0.42
350	2.3	7.9	-28.8	1.3	4.4	16.1	1,681	979	0.51
400	3.0	10.1	-42.5	1.5	5.2	21.7	1,575	860	0.60
450	3.7	12.7	-59.7	1.8	6.0	28.4	1,476	755	0.70
500	4.5	15.4	-80.8	2.0	6.9	36.1	1,384	663	0.80
550	5.4	18.5	-106.5	2.3	7.8	44.9	1,300	585	0.91
600	6.4	21.9	-137.4	2.5	8.7	54.9	1,224	519	1.03
650	7.4	25.6	-174.0	2.8	9.7	66.0	1,159	465	1.16
700	8.6	29.6	-217.1	3.1	10.7	78.2	1,104	422	1.29
750	9.9	34.0	-267.4	3.4	11.6	91.3	1,058	387	1.43
800	11.3	38.8	-325.4	3.7	12.6	105.3	1,019	360	1.58
850	12.8	44.0	-391.8	3.9	13.5	120.1	986	337	1.73
900	14.4	49.6	-467.1	4.2	14.4	135.7	956	317	1.88
950	16.1	55.5	-552.0	4.4	15.3	151.8	930	300	2.04
1000	18.0	61.8	-646.9	4.7	16.1	168.6	906	284	2.20

Orange rows are transonic (Mach 1.2–1.0), red subsonic. Elevation is the come-up; wind is the bullet's drift for 10 mph at 90°, so halve it for 5 mph and for a 30° wind. The app builds this for your barrel length, your altitude and today's weather, and lets you true the MV against what you actually hit.

Energy on the animal

Max ethical range, vitals shot

Coyote / varmint1,000 ydKeeps 250 ft·lb and expansion velocity to 1,000 yd.

Pronghorn400 ydKeeps 800 ft·lb and expansion velocity to 400 yd.

Whitetail deer300 ydKeeps 1,000 ft·lb and expansion velocity to 300 yd.

Mule deer300 ydKeeps 1,000 ft·lb and expansion velocity to 300 yd.

Wild hog300 ydKeeps 1,000 ft·lb and expansion velocity to 300 yd.

Black bear250 ydKeeps 1,200 ft·lb and expansion velocity to 250 yd.

Elk150 ydKeeps 1,500 ft·lb and expansion velocity to 150 yd.

Moose150 ydKeeps 1,500 ft·lb and expansion velocity to 150 yd.

Energy floors: Coyote 250 · Pronghorn 800 · Whitetail 1,000 · Mule 1,000 · Wild 1,000 · Black 1,200 · Elk 1,500 · Moose 1,500 ft·lb (see the sources on each animal in the app). Expansion floor from the bullet family's published minimum impact velocity. A bone-breaking shoulder shot wants a bonded, partition or monolithic bullet regardless of energy.

Same cartridge

All 6.5x55 Swedish factory loads · best for coyote · best for whitetail · best for wild · best for elk

Source: https://www.norma-ammunition.com/products/hunting/norma-oryx-silencer-series/norma-oryx-silencer-6-5x55-swedish-mauser-156-gr---20166432 · 20" barrel per product page ("zeroed with a 500 mm / 20 in barrel"); maker bullet descript