Hornady Custom International 220 gr InterLock RN

.308 Win · 220 gr · Custom International · #8107. Maker-published figures, velocity measured in a 24″ 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: 0.300maker G1
Muzzle velocity: 2,310 fps24″ test barrel · ~22 fps per inch
Muzzle energy: 2,606 ft·lb220 gr at 2,310 fps
Transonic: 400 ydMach 1.2 — where the solver stops being sure
500 yd: 6.3 mil638 ft·lb on arrival
Twist: 1:10typical 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	0.0	-0.1	0.0	0.2	0.7	0.4	2,161	2,280	0.07
100	0.0	0.0	0.0	0.4	1.5	1.5	2,017	1,986	0.14
150	0.4	1.4	-2.2	0.7	2.3	3.6	1,879	1,724	0.22
200	0.9	3.3	-6.8	0.9	3.1	6.6	1,747	1,490	0.30
250	1.6	5.5	-14.3	1.2	4.1	10.6	1,622	1,285	0.39
300	2.3	8.0	-25.1	1.5	5.0	15.8	1,506	1,107	0.48
350	3.2	10.8	-39.7	1.8	6.1	22.2	1,398	955	0.59
400	4.1	14.0	-58.8	2.1	7.2	30.0	1,301	826	0.70
450	5.1	17.6	-83.1	2.4	8.3	39.0	1,215	721	0.82
500	6.3	21.6	-113.2	2.7	9.4	49.4	1,142	638	0.95
550	7.6	26.0	-150.0	3.1	10.6	60.9	1,083	573	1.08
600	9.0	30.9	-194.1	3.4	11.7	73.6	1,035	523	1.22
650	10.5	36.2	-246.4	3.7	12.8	87.2	995	483	1.37
700	12.2	42.0	-307.5	4.0	13.9	101.6	960	450	1.52
750	14.0	48.1	-378.0	4.3	14.9	116.8	930	422	1.68
800	15.9	54.7	-458.6	4.6	15.9	132.8	902	398	1.85
850	18.0	61.8	-549.9	4.9	16.8	149.5	877	376	2.02
900	20.1	69.2	-652.5	5.1	17.7	166.8	854	356	2.19
950	22.4	77.1	-767.1	5.4	18.6	184.8	832	338	2.37
1000	24.8	85.4	-894.3	5.7	19.4	203.4	811	321	2.55

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. Behind the shoulder only — not a bone-breaking bullet.

Pronghorn400 ydKeeps 800 ft·lb and expansion velocity to 400 yd. Behind the shoulder only — not a bone-breaking bullet.

Whitetail deer300 ydKeeps 1,000 ft·lb and expansion velocity to 300 yd. Behind the shoulder only — not a bone-breaking bullet.

Mule deer300 ydKeeps 1,000 ft·lb and expansion velocity to 300 yd. Behind the shoulder only — not a bone-breaking bullet.

Wild hogWrong bulletTarget / varmint construction — not for this animal.

Black bearWrong bulletTarget / varmint construction — not for this animal.

ElkWrong bulletTarget / varmint construction — not for this animal.

MooseWrong bulletTarget / varmint construction — not for this animal.

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 .308 Win factory loads · best for coyote · best for whitetail · best for wild · best for elk

Source: https://www.hornady.com/ammunition/rifle/308-win-220-gr-rn-custom-international · product page is metric: MV 704 m/s (converted to fps); barrel printed as "24cm" (sic; take