7 mm Backcountry Load Data & Reloading Guide

Rifle

Also known as: 7mm BC, 7 mm BC, 7mm Backcountry

About 7 mm Backcountry

The 7 mm Backcountry caliber was specifically developed to meet the needs of hunters seeking a lightweight, high-performance round capable of tackling large game and thriving in rugged environments. Emerging from the tradition of 7 mm cartridges, known for their balance of power and manageable recoil, the 7 mm Backcountry was designed to enhance these traits, offering a superior blend of precision and stopping power for backcountry pursuits.

Technically, the 7 mm Backcountry typically features a reduced case volume compared to many traditional magnum cartridges. This allows it to achieve impressive velocities without excessive recoil, making it ideal for extended hunts where weight and control are critical. Its compatible case design often permits reloaders to use existing 7 mm die setups with minimal adjustments, facilitating seamless integration into established reloading processes.

Ballistically, this caliber offers a flat trajectory and high ballistic coefficients, especially when paired with bullets in the 140 to 168-grain range. The precision-engineered bullet profiles enhance long-range accuracy and terminal performance, ensuring effective energy transfer on impact. Reloaders find the 7 mm Backcountry appealing due to the flexibility in bullet choice, enabling customization for both short- and long-range engagements depending on the bullet weight and type.

For practical applications, this caliber excels in hunting scenarios targeting medium to large game such as deer, elk, and sheep. Its manageable recoil and high ballistic efficiency also make it suitable for competitive shooting disciplines where weight and performance balance is crucial. Reloaders benefit from its efficient powder usage and compatibility with a wide range of projectiles, making it a versatile choice for crafting precise and effective custom loads tailored to specific backcountry needs.

Technical Drawing

7 mm Backcountry technical drawing and load data

Technical Specifications

Maximum Pressure:79916 PSI / 5510 bar
Case Volume:73 Grains of Water
Primer Size:Large Rifle (LR)
Safety Standard:SAAMI
Bore Area:40.39 mm²
Barrel Diameter:0.284" / 7.2 mm
L3:2.417" / 61.4 mm
L6:3.34" / 84.8 mm

Start Calculating to Develop your own Load Data for 7 mm Backcountry

Use our professional ballistics calculator to develop safe and accurate load recipes for 7 mm Backcountry.

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Standard Load Data — 7 mm Backcountry

Select your desired cartridge and bullet weight below to access the corresponding load table. From there, you can choose any listed load recipe and transfer it directly into the ballistics calculator for further refinement, optimization, and precision tuning.

All
103 gr
130 gr
134 gr
139 gr
140 gr
143 gr
145 gr
150 gr
152 gr
160 gr
170 gr
175 gr
180 gr

Community Loads — 7 mm Backcountry

Here are some popular loads for 7 mm Backcountry:

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Filter:
BulletPowderBarrel (in)Charge (gr)Case Volume (GoW)OAL (in)Max. Pressure (psi)Muzzle Velocity (fps)
M.284 | 139gr | Barnes LRX BT (139gr)
Allian
Power Pro 2000-MR
18.0••.•73.03.3477,958 (98%)3156
.284 | 139gr | Barnes LRX BT (139gr)
Allian
Power Pro 2000-MR
18.0••.•73.03.3469,865 (87%)3061
.284 | 139gr | Barnes LRX BT (139gr)
IMR
4895
18.0••.•73.03.3459,959 (75%)2841
.284 | 139gr | Barnes LRX BT (139gr)
Allian
Power Pro 1200-R
18.050.073.03.3464,237 (80%)2920
.284 | 139gr | Barnes LRX BT (139gr)
Allian
Power Pro 1200-R
18.052.073.03.3471,431 (89%)3015
M.284 | 139gr | Barnes LRX BT (139gr)
Allian
Power Pro 1200-R
18.054.073.03.3479,350 (99%)3104
.284 | 152gr | Barnes LRX BT (152gr)
Allian
Reloder-26
18.0••.•73.03.3455,463 (69%)2792
.284 | 155gr | Federal Terminal Ascent Component (155gr)
Ramsho
Hunter
20.0••.•73.03.3469,618 (87%)2936
.284 | 155gr | Federal Terminal Ascent Component (155gr)
Ramsho
Grand
20.0••.•73.03.3447,601 (60%)2654
M.284 | 160gr | Barnes LRX BT (160gr)
Ramsho
Hunter
18.0••.•73.03.3475,420 (94%)2887
.284 | 160gr | Barnes LRX BT (160gr)
18.0••.•73.03.3462,004 (78%)2707
.284 | 160gr | Barnes LRX BT (160gr)
Vihtav
N555
18.0••.•73.03.3457,522 (72%)2677
.284 | 160gr | Barnes LRX BT (160gr)
Hodgdo
H4831 SC
16.5••.•73.03.3561,337 (77%)2628
.284 | 160gr | Barnes LRX BT (160gr)
Allian
Reloder-26
18.0••.•73.03.3442,525 (53%)2503
M.284 | 160gr | Hornady CX (160gr)
Ramsho
Big Game
20.0••.•73.03.3478,625 (98%)2936
.284 | 160gr | Hornady CX (160gr)
20.0••.•73.03.3460,742 (76%)2776
.284 | 160gr | Hornady CX (160gr)
Vihtav
N550
20.0••.•73.03.3458,900 (74%)2723
.284 | 160gr | Hornady CX (160gr)
Winche
6.5 StaBall
20.0••.•73.03.3450,778 (64%)2572
.284 | 160gr | Hornady CX (160gr)
Ramsho
Grand
20.0••.•73.03.3442,206 (53%)2513
.284 | 175gr | Swift A-Frame (175gr)
Allian
Reloder-26
20.0••.•73.03.3469,343 (87%)2864
.284 | 175gr | Swift A-Frame (175gr)
Allian
Reloder-26
18.0••.•73.03.3467,399 (84%)2766
M0.284 | 195gr | Berger Elite Hunter (195gr)
Hodgdo
Hodgdon Superformance
22.0••.•73.03.2972,911 (91%)2759
M0.284 | 195gr | Berger Elite Hunter (195gr)
Hodgdo
Hodgdon Superformance
20.0••.•73.03.2974,985 (94%)2723
0.284 | 195gr | Berger Elite Hunter (195gr)
Hodgdo
Hodgdon Superformance
20.0••.•73.03.2959,321 (74%)2549

Frequently Asked Questions

The maximum pressure for 7 mm Backcountry is 79,916 psi | 5,510 bar.

7 mm Backcountry typically uses a Large Rifle (LR) primer.

The case capacity of 7 mm Backcountry is approximately 73 grains of water (H₂O).