Load data for .220 Swift + 55gr Speer TNT

Based on C.I.P., the max. allowed case length is 2.205 in / 56.01 mm, the max. cartridge length is 2.680 in / 68.07 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Based on C.I.P., the max. allowed case length is 2.205 in / 56.01 mm, the max. cartridge length is 2.680 in / 68.07 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Load Specifications

ImperialMetric

Bullet:.224 | 55gr | TNT

Cartridge:.220 Swift load data

Case Length (L3):2.205" | 56.0 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.242" | 6.1 mm

Case Capacity:47 gow | 3.05 cm³

Primer Size:Large Rifle (LR)

Max. Pressure (C.I.P.):62,366 psi | 4,300 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:12.0

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Community Loads for .220 Swift + 55gr Speer TNT

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

Charge (gr)	C.O.L.	Barrel Length	Velocity (fps)	Pressure (psi)

37.0 gr	2.680"	—	3307 fps	•••
41.0 gr	2.680"	—	3643 fps	•••

32.3 gr	2.680"	—	3390 fps	•••
•••	2.680"	—	3668 fps	•••

•••	2.680"	—	3302 fps	•••
•••	2.680"	—	3663 fps	•••

•••	2.680"	—	3367 fps	•••
•••	2.680"	—	3712 fps	•••

•••	2.680"	—	3502 fps	•••
•••	2.680"	—	3888 fps	•••

•••	2.680"	—	3281 fps	•••
•••	2.680"	—	3642 fps	•••

•••	2.680"	—	3187 fps	•••
•••	2.680"	—	3550 fps	•••

•••	2.680"	—	3344 fps	•••

•••	2.680"	—	3328 fps	•••
•••	2.680"	—	3671 fps	•••

•••	2.680"	—	3448 fps	•••

•••	2.680"	—	3384 fps	•••
•••	2.680"	—	3699 fps	•••

•••	2.680"	—	3124 fps	•••
•••	2.680"	—	3481 fps	•••

•••	2.680"	—	3325 fps	•••
•••	2.680"	—	3671 fps	•••
•••	2.680"	—	3462 fps	•••
•••	2.680"	—	3853 fps	•••

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.