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6 mm Caliber Comparison

6 mm Caliber Comparison

The world of 6mm calibers is vast and varied, offering a wide array of choices for precision shooters, hunters, and competitors. These calibers are generally known for their balance between ballistic efficiency, velocity, and manageable recoil. The 6mm bullet diameter, equivalent to approximately .243 inches, is widely regarded for its flat trajectory and long-range accuracy. Whether it's for varmint hunting, target shooting, or tactical use, the 6mm calibers deliver excellent performance across various applications. Below, we will explore some of the most popular and widely used 6mm calibers and their characteristics and applications.

Comparison Table 6 mm Calibers

The following table compares the key characteristics of all 6 mm rifle calibers including rifle calibers with a diameter between .242 and .245 Inch. The rank shows the popularity of the rifle caliber in our community.

Caliber
Rank
Avg. Energy (E0)
Diameter
Avg. Bullet Weight (gr)
Case Capacity (GoW)
Average Charge
Average Velocity (V0)
Case Length (l3)
Max. C.O.L
Suitable Bullets
.24 Nosler
1855 Joule
0.243
84
33.2
24.7gr | 1.6g
2757fps | 841m/s
1.6" | 40.6mm
2.26" | 57.4mm
194
.240 Belt. Riml. Nitr. Exp.
2443 Joule
0.245
94
55
41.2gr | 2.67g
3146fps | 959m/s
2.5" | 63.4mm
3.21" | 81.5mm
7
.240 Weath. Mag.
2699 Joule
0.243
85
64
48.4gr | 3.13g
3216fps | 980m/s
2.5" | 63.5mm
3.1" | 78.7mm
203
.243 Ackley Improved
2453 Joule
0.2429
85
57
41.2gr | 2.67g
3027fps | 923m/s
2.05" | 51.9mm
2.71" | 68.8mm
219
.243 WSSM
2583 Joule
0.243
85
53.9
42.4gr | 2.74g
3228fps | 984m/s
1.66" | 42.2mm
2.36" | 59.9mm
201
.243 Win.
2409 Joule
0.243
85
54
41.3gr | 2.68g
3085fps | 940m/s
2.04" | 51.9mm
2.71" | 68.8mm
216
.244 Rem.
2542 Joule
0.243
85
55
41gr | 2.66g
3116fps | 950m/s
2.23" | 56.5mm
2.83" | 71.8mm
217
6 mm ARC
1907 Joule
0.243
85
34.5
26gr | 1.68g
2723fps | 830m/s
1.5" | 38.1mm
2.26" | 57.4mm
202
6 mm B.R. Norma
2155 Joule
0.242
85
37.8
29.8gr | 1.93g
2848fps | 868m/s
1.55" | 39.4mm
2.44" | 62mm
198
6 mm B.R. Rem.
2048 Joule
0.242
83
37.8
28.5gr | 1.85g
2923fps | 891m/s
1.55" | 39.4mm
2.2" | 55.9mm
188
6 mm Creedmoor
2538 Joule
0.243
85
51
40.3gr | 2.61g
3109fps | 948m/s
1.93" | 48.9mm
2.8" | 71.1mm
204
6 mm GT
2330 Joule
0.243
86
43.2
33.5gr | 2.17g
2920fps | 890m/s
1.73" | 43.8mm
2.52" | 63.9mm
208
6 mm PPC
1910 Joule
0.243
84
33
24.8gr | 1.61g
2729fps | 832m/s
1.51" | 38.2mm
2.19" | 55.7mm
191
6 mm Rem.
2549 Joule
0.243
85
54.4
41.1gr | 2.67g
3121fps | 952m/s
2.22" | 56.5mm
2.83" | 71.8mm
204
6 mm XC
2603 Joule
0.243
91
49.7
39gr | 2.53g
3042fps | 927m/s
1.9" | 48.3mm
2.75" | 69.9mm
162
6 x 47 ATZL
1859 Joule
0.243
84
33
24.2gr | 1.57g
2754fps | 840m/s
1.85" | 47mm
2.48" | 63mm
199
6 x 47 SM
2262 Joule
0.243
85
45.9
35.3gr | 2.29g
3019fps | 921m/s
1.85" | 46.9mm
2.6" | 66mm
203
6 x 50 R Scheiring
1890 Joule
0.243
84
33.6
24gr | 1.55g
2737fps | 834m/s
1.96" | 49.7mm
2.5" | 63.5mm
197
6 x 52 R BB2
1880 Joule
0.243
85
40
29.1gr | 1.88g
2745fps | 837m/s
2.04" | 51.8mm
2.72" | 69.1mm
203
6 x 52 R Bretschneider
1764 Joule
0.243
84
36.2
24.8gr | 1.61g
2645fps | 806m/s
2.04" | 51.8mm
2.56" | 65mm
197
6 x 62 Freres
2589 Joule
0.243
85
68
53.1gr | 3.44g
3268fps | 996m/s
2.42" | 61.6mm
3.23" | 82mm
203
6 x 62 R Freres
2588 Joule
0.243
85
68.3
53.2gr | 3.45g
3164fps | 965m/s
2.42" | 61.6mm
3.23" | 82mm
204
6 x 70 R
1575 Joule
0.243
85
39.9
26.7gr | 1.73g
2514fps | 766m/s
2.75" | 69.9mm
3.43" | 87mm
204
6mm XC
2568 Joule
0.243
91
49.7
38.9gr | 2.52g
3061fps | 933m/s
1.91" | 48.5mm
2.75" | 69.9mm
166
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