2012年05月28日
Superior RSASS
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Velocities were measured with a Master Chrony Beta chronograph. As with all high-rate-of-fire weapons, velocities climbed as much as 70 fps with the same load as the gun got hotter.


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2012年05月28日
2012年05月28日
Backpack Radar system from SpotterRF
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SpotterRF’s new backpack radar system is based around its three-pound M80 and four-pound M600C synthetic aperture radar modules. “Situational awareness at night collapses around you and NVGs limit a sentry’s field of view,” says SpotterRF CEO Logan Harris. “That’s why coupling ground based radar with imaging into a backpack unit is such a potent force multiplier.”

The micro radar system uses a pair of radar pods that provide a 180-degree field of coverage out to 1,000 meters. In addition to the two hard bound-book-sized radar units, the system includes a similarly sized networking module, a tablet computer used to view the radar system’s web-based output, and cables, tripod, battery and a backpack.
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2012年05月28日
H&K UMP Gearbox ver. 3
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Following are photos of a Version 3 gearbox from a UMP smg.

Showing the gearbox after pulling it from the lower receiver.

Showing the internals as they are in positioned inside the gearbox.

Highlighting the gears, sector, spur and bevel gears.

Showing the cylinder, piston, spring and tappet plate how they are assembled together.

And this is the gearbox placed in the lower receiver of an HK UMP. The version 3 gearbox is also compatible with the MP5 and AK series.
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Following are photos of a Version 3 gearbox from a UMP smg.
Showing the gearbox after pulling it from the lower receiver.
Showing the internals as they are in positioned inside the gearbox.
Highlighting the gears, sector, spur and bevel gears.
Showing the cylinder, piston, spring and tappet plate how they are assembled together.
And this is the gearbox placed in the lower receiver of an HK UMP. The version 3 gearbox is also compatible with the MP5 and AK series.
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