.550 Magnum - Manufacturer Loading Data
| Bullet Type |
Primer |
|
Case | Trim Length |
C.O.L. | Grains | Vel. | Press. | Diam. | Source | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 600 gr | RN SP (Hawk, Inc.) |
WIN WLRM | 2495 (Accurate) |
Jamison Brass & Ammunition | 3.790" | Starting: | 108.0 gr | 2,210 | 0.550" | Accurate C |
||||
| Max: | 120.0 gr | 2,455 | 61,940 | |||||||||||
| 600 gr | RN SP (Hawk, Inc.) |
WIN WLRM | 2520 (Accurate) |
Jamison Brass & Ammunition | 3.790" | Starting: | 113.4 gr | 2,271 | 0.550" | Accurate C |
||||
| Max: | 126.0 gr | 2,523 | 60,840 | |||||||||||
| 700 gr | Lead RNFP (CPB) |
WIN WLRM | 2015 (Accurate) |
Jamison Brass & Ammunition | 3.735" | Starting: | 86.4 gr | 1,872 | 0.550" | Accurate C |
||||
| Max: | 96.0 gr | 2,080 | 49,440 | |||||||||||
| 700 gr | Lead RNFP (CPB) |
WIN WLRM | 5744 (Accurate) |
Jamison Brass & Ammunition | 3.735" | Starting: | 54.0 gr | 1,504 | 0.550" | Accurate C |
||||
| Max: | 24,740 | |||||||||||||
| 700 gr | BAND-S (Barnes) |
WIN WLRM | 2015 (Accurate) |
Jamison Brass & Ammunition | 3.735" | Starting: | 93.6 gr | 1,989 | 0.550" | Accurate C |
||||
| Max: | 104.0 gr | 2,210 | 62,660 | |||||||||||
| 700 gr | RN SP (Hawk, Inc.) |
WIN WLRM | 2495 (Accurate) |
Jamison Brass & Ammunition | 3.720" | Starting: | 98.1 gr | 1,971 | 0.550" | Accurate C |
||||
| Max: | 109.0 gr | 2,190 | 64,810 | |||||||||||
| 700 gr | SPHJ (Alaska Bullet Company) |
WIN WLRM | 2495 (Accurate) |
Jamison Brass & Ammunition | 3.780" | Starting: | 107.1 gr | 2,061 | 0.550" | Accurate C |
||||
| Max: | 119.0 gr | 2,290 | 62,310 | |||||||||||
| 700 gr | FN SLD (GS Custom Bullets) |
WIN WLRM | 2495 (Accurate) |
Jamison Brass & Ammunition | 3.790" | Starting: | 102.6 gr | 2,041 | 0.550" | Accurate C |
||||
| Max: | 114.0 gr | 2,268 | 60,480 | |||||||||||
| 700 gr | RN SP (Hawk, Inc.) |
WIN WLRM | 2520 (Accurate) |
Jamison Brass & Ammunition | 3.715" | Starting: | 101.7 gr | 2,005 | 0.550" | Accurate C |
||||
| Max: | 113.0 gr | 2,228 | 61,410 | |||||||||||
| 700 gr | BAND-S (Barnes) |
WIN WLRM | TAC (Ramshot) |
Jamison Brass & Ammunition | 3.735" | Starting: | 105.3 gr | 2,083 | 0.550" | Accurate C |
||||
| Max: | 117.0 gr | 2,314 | 59,650 | |||||||||||
| 700 gr | RN SP (Hawk, Inc.) |
WIN WLRM | TAC (Ramshot) |
Jamison Brass & Ammunition | 3.715" | Starting: | 104.4 gr | 2,030 | 0.550" | Accurate C |
||||
| Max: | 116.0 gr | 2,256 | 61,370 | |||||||||||
| 700 gr | SPHJ (Alaska Bullet Company) |
WIN WLRM | TAC (Ramshot) |
Jamison Brass & Ammunition | 3.780" | Starting: | 107.1 gr | 2,051 | 0.550" | Accurate C |
||||
| Max: | 119.0 gr | 2,279 | 61,620 | |||||||||||
| 700 gr | BAND-S (Barnes) |
WIN WLRM | X-Terminator (Ramshot) |
Jamison Brass & Ammunition | 3.735" | Starting: | 97.2 gr | 2,060 | 0.550" | Accurate C |
||||
| Max: | 108.0 gr | 2,289 | 62,320 | |||||||||||
| 700 gr | FN (GS Custom Bullets) |
WIN WLRM | X-Terminator (Ramshot) |
Jamison Brass & Ammunition | 3.790" | Starting: | 101.7 gr | 2,091 | 0.550" | Accurate C |
||||
| Max: | 113.0 gr | 2,323 | 60,900 | |||||||||||
| 800 gr | RN SP (Hawk, Inc.) |
WIN WLRM | 4064 (Accurate) |
Jamison Brass & Ammunition | 3.835" | Starting: | 101.7 gr | 1,793 | 0.550" | Accurate C |
||||
| Max: | 113.0 gr | 1,992 | 61,150 | |||||||||||
| 800 gr | RN SP (Hawk, Inc.) |
WIN WLRM | Big Game (Ramshot) |
Jamison Brass & Ammunition | 3.835" | Starting: | 104.4 gr | 1,863 | 0.550" | Accurate C |
||||
| Max: | 116.0 gr | 2,070 | 61,150 |