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30 Thompson Center Ballistics — Velocity, Energy & Drop

Also known as: .30 Thompson Center, 30 TC

Specifications

Typerifle (centerfire)
Selected factory load150gr Hornady SST
Published muzzle velocity3000 fps
Published muzzle energy2997 ft-lb
Published G1 ballistic coefficient0.415
Manufacturer item81004
Case length48.77 mm
Overall length67.56 mm
SAAMI max pressure62000 PSI
Common twist rate1:12

30 Thompson Center Modeled Ballistics Table

Range (yd)Velocity (fps)Calculated Energy (ft-lb)Drop (in)Wind drift (in)Time of flight (s)
030002997-1.500
100276825511.530.790.105
2002548216203.080.218
30023391823-6.877.040.34
40021391524-20.1813.110.475
50019501267-41.0121.30.621
60017721045-71.0732.130.782
7001605858-112.2545.860.96
8001454704-166.9462.851.157
9001319579-238.1883.441.374
10001204483-329.46107.821.612

Listed Use Context

The listed uses do not identify an explicit big-game hunting role, so deer- and elk-sized energy references aren't shown. Evaluate the named load using its available source data and any displayed trajectory, then verify the result for the listed target, competition, defensive, tactical, or duty context.

Data & Sources

Primary-source receipt

Publisher: Hornady Manufacturing · Manufacturer item: 81004 · Published test barrel: 24″

Source document: 30 TC 150 gr SST Superformance · reviewed by CaliberAtlas .

  • Published G1 0.415 — product-specific evidence, Embedded var item: SKU 81004, ball_coef_type_1 (G1), ball_coef_1 .415, and ball_coef_2_f null

Manufacturer-published inputs

Item 81004, 150 gr SST, 3,000 fps, 2,997 ft-lb, G1 0.415, and a 24″ test barrel.

CaliberAtlas-modeled outputs

Trajectory, retained velocity, calculated retained energy, drop, wind drift, and time of flight use the G1 point-mass model. These outputs are calculated by CaliberAtlas, not published by Hornady Manufacturing.

Your barrel, ammunition lot, and conditions will differ — always verify against the manufacturer's data and your own rifle.

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Learn the Fundamentals

How this data is produced · Model accuracy and limits