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.338 Lapua Mag. / 16.2 g (250 gr) Lock Base
.338 Lapua Mag. / 16.2 g (250 gr) Lock Base

.338 Lapua Mag. with the 16.2 g (250 gr) Lock Base FMJBT

Lapua’s most famous individual product is the .338 Lapua Magnum that outperforms other long range cartridges in military applications. The B408 Ball features a 16.2 g / 250 gr Lock Base FMJBT bullet, remaining supersonic up to 1300 meters.

This tactical ammo product is intended for MIL / L.E. use only.

 

.338 Lapua Mag. / 16.2 g (250 gr) Lock Base

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Caliber

.338 Lapua Mag.
Bullet

Lock Base
Product no.

4318033
Bullet Code

B408
Bullet type

FMJBT (Full Metal Jacket Boat Tail)
Bullet weight

16.2 g (250 gr)
Muzzle velocity

900 m/s (2953 fps)
Purpose

Tactical
Twist rate

1-12''
BC G1

0.625
BC G7

0.310
Velocity [m/s][fps]
Energy [J][ft.-lbs.]
Crosswind drift [mm]Crosswind drift [in] (sidewind 4 m/s)(sidewind 13 fps)
Trajectory [mm][inch]
Impact point above or below line of sight (Scope 40 mm above bore line)Impact point above or below line of sight (Scope 1.6 in above bore line)
Metric chart
0 m 100 m 200 m 300 m 600 m 800 m 1000 m 1200 m 1500 m
900 850 800 751 611 525 444 372 310
6561 5846 5179 4563 3023 2230 1600 1118 778
0 12 51 119 535 1035 1768 2819 5012
Rifle sighted in at 100 m 200 m 300 m 600 m 800 m 1000 m 1200 m 1500 m
100 0 -95 -343 -2231 -4753 -8711 -14679 -29281
300 114 134 0 -1544 -3838 -7567 -13305 -27561
600 372 648 72 0 -1779 -4993 -10214 -23695
Test barrel length [mm]: 680
Imperial chart
0 yd 100 yd 200 yd 300 yd 600 yd 800 yd 1000 yd 1200 yd 1500 yd
2953 2802 2652 2504 2080 1816 1568 1338 1068
4896 4356 3902 3479 2401 1831 1365 994 633
0 0 2 4 17 33 55 87 156
Rifle sighted in at 100 yd 200 yd 300 yd 600 yd 800 yd 1000 yd 1200 yd 1500 yd
100 0 -3 -11 -70 -148 -268 -446 -868
300 4 4 0 -49 -120 -233 -404 -815
600 12 20 24 0 -55 -152 -306 -693
Test barrel length [inch]: 27

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