Black Hills Gold 7mm Remington Magnum 139gr GMX Ammo Ballistics
Brass Case • GMX
Black Hills Gold 7mm Remington Magnum 139gr GMX Ammo Ballistics
Brass Case • GMX
Trajectory @ 100yd Zero
| Range | Velocity | Energy | Drop |
|---|---|---|---|
| Muzzle | 3200 fps | 3161 ft-lb | — |
| 25 yds | 3143 fps | 3050 ft-lb | -0.8" |
| 50 yds | 3088 fps | 2943 ft-lb | -0.3" |
| 75 yds | 3033 fps | 2840 ft-lb | -0.0" |
| 100 yds ⊕ | 2979 fps | 2740 ft-lb | +0.0" |
| 125 yds | 2926 fps | 2643 ft-lb | -0.2" |
| 150 yds | 2873 fps | 2548 ft-lb | -0.7" |
| 175 yds | 2821 fps | 2457 ft-lb | -1.4" |
| 200 yds | 2769 fps | 2368 ft-lb | -2.4" |
| 225 yds | 2719 fps | 2282 ft-lb | -3.7" |
| 250 yds | 2668 fps | 2199 ft-lb | -5.3" |
| 275 yds | 2619 fps | 2117 ft-lb | -7.2" |
| 300 yds | 2570 fps | 2039 ft-lb | -9.4" |
| 325 yds | 2521 fps | 1962 ft-lb | -11.9" |
| 350 yds | 2473 fps | 1888 ft-lb | -14.8" |
| 375 yds | 2425 fps | 1816 ft-lb | -18.0" |
| 400 yds | 2378 fps | 1746 ft-lb | -21.6" |
| 425 yds | 2332 fps | 1679 ft-lb | -25.6" |
| 450 yds | 2286 fps | 1613 ft-lb | -30.0" |
| 475 yds | 2240 fps | 1549 ft-lb | -34.8" |
| 500 yds | 2195 fps | 1488 ft-lb | -40.0" |
Product Overview
The Black Hills Gold 7mm Remington Magnum 139gr GMX delivers lead-free hunting performance with Black Hills' renowned precision loading. At 3,200 fps with 3,160 ft-lbs of muzzle energy, this is among the fastest factory loads available in 7mm Rem Mag. The Hornady GMX bullet is a monolithic copper alloy design that expands reliably while retaining virtually 100% of its weight for deep penetration, regardless of impact angle.
This ammunition excels for hunters who need high velocity and lead-free construction for California and other regulated areas. The blazing speed creates an exceptionally flat trajectory, minimizing holdover requirements at typical hunting distances. Black Hills' hand-loaded quality ensures the consistency needed for precision shooting, while the GMX design handles elk and deer effectively with proper shot placement.
The GMX's all-copper construction prevents lead fragmentation, making it ideal for hunters who process their own game or are concerned about lead contamination in meat. The lighter 139-grain weight maximizes velocity while providing adequate penetration for most big game hunting scenarios. For hunters who want environmentally-conscious ammunition without sacrificing performance, the GMX offers lead-free terminal performance in a precision-loaded package.
- Blazing 3,200 fps velocity creates an extremely flat shooting trajectory
- Lead-free GMX construction meets all environmental hunting regulations
- Black Hills hand-loaded quality ensures tight velocity spreads and accuracy
- Monolithic copper alloy retains nearly all original weight through impact
- Lighter 139-grain bullet may lack penetration on quartering shots at large elk
- Premium pricing for specialized hand-loaded lead-free ammunition
- Copper monolithic bullets seat deeper in the case, affecting overall cartridge length
All Black Hills Gold 7mm Remington Magnum 139gr GMX Ammo Prices
| DEALER | QTY | PRICE | SHIPPING | TOTAL | PRICE/RD |
|---|---|---|---|---|---|
| Lucky Gunner | 20 | $73.00 | $17.68 | $90.68 | $4.53 |