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National Police Ammunition American Made

.223 Rem 55 gr.

The SDR (Simulated Duty Round) training round is fully lead free from primer to projectile which is loaded with the most clean burning and consistent powders in the industry.

 

Benefits

  • Frangible
  • Recoil Similar to Duty Rounds
  • Accurate
  • Sure Reliability

Details

  • Caliber: .223
  • Bullet Weight: 55 gr.
  • Muzzle Velocity: 2812 fps
  • Rounds Per Case: 500
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Ballistic Data

Tabular trajectory data at Std.ICAO Atmosphere
Gun / Ammunition: .223 Rem. (SAAMI) /Fired from 16 inch barrel
Bullet Type: .224, 55, Sinterfire SF223 WTP
Bullet Weight: 55 grains or 3.56 Grams
Muzzle Velocity: 2812 fps
Twist Length: 7.0 in. (RH)
Gyro. Stability: 2.32
Crosswind Speed: 0.0 Mph
Ballistic Coefficient(s) (G1): C1_1=0.105@V>0 fps

Table of Various Zero Ranges - Trajectory Path to LOS in inches
Range 10 yd. 20 yd. 30 yd. 40 yd. 50 yd. 60 yd. 70 yd. 80 yd. 90 yd. 100 yd.
10 Yd. Zero X +1.9 +3.8 +5.6 +7.4 +9.1 +10.8 +12.4 +13.9 +15.4
20 Yd. Zero -1.0 X +0.9 +1.8 +2.6 +3.4 +4.1 +4.7 +5.3 +5.8
30 Yd. Zero -1.3 -0.6 X +0.6 +1.1 +1.5 +1.9 +2.3 +2.6 +2.8
40 Yd. Zero -1.4 -0.9 -0.4 X +0.4 +0.7 +0.9 +1.2 +1.3 +1.4
50 Yd. Zero -1.5 -1.0 -0.6 -0.3 X +0.2 +0.4 +0.6 +0.6 +0.6
60 Yd. Zero -1.5 -1.1 -0.8 -0.5 -0.2 X +0.2 +0.2 +0.3 +0.2
70 Yd. Zero -1.5 -1.2 -0.8 -0.5 -0.3 -0.1 X +0.1 +0.1 0.0
80 Yd. Zero -1.5 -1.2 -0.9 -0.6 -0.4 -0.2 -0.1 X 0.0 -0.1
90 Yd. Zero -1.5 -1.2 -0.9 -0.6 -0.4 -0.2 -0.1 0.0 X -0.1
100 Yd. Zero -1.5 -1.2 -0.8 -0.6 -0.3 -0.1 0.0 +0.1 +0.1 X
                     
175 yd. PB Zero -1.4 -0.9 -0.4 +0.1 +0.5 +0.8 +1.1 +1.3 +1.4 +1.5
 
Velocity (fps.) 2758.5 2705.6 2653.3 2601.7 2550.6 2500.0 2450.1 2400.6 2351.8 2303.6
Energy (ft.lbs.) 928.2 892.9 858.7 825.6 793.5 762.4 732.2 703.0 674.7 647.3
Deflection (in.) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1
Time (sec.) 0.011 0.022 0.033 0.045 0.056 0.068 0.080 0.092 0.105 0.118

Velocity

Total Drop vs Line of Bore

Trajectory Height vs Line of Sight

Trajectory Height vs Line of Target

SDR