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R16MP5 Reflex Suppressor
03.04.2009
Manual: MP5 Reflex Suppressor with Easy Bayonet Mount (TM)
Reflex suppressor or silencer R16MP5 for Heckler & Koch
Maschinenpistole 5 has a new quickly detachable Easy Bayonet Mount with a friction ring
against accidental loosening. The all steel Reflex suppressor is a long-lasting and almost
maintenance-free muffler of muzzle blast, flash hider and recoil compensator. Suppressor
is also used to protect the shooter from hearing loss, which is a common menace especially
among those using firearms by their profession. Standard Reflex Suppressors finish is
military grade parkerizing. Model R16MP5 extends only 143 mm forwards from the muzzle.
Reflex Suppressor is designed to withstand full-auto shooting with full power 9x19 mm Para
cartridges. Reduction of shooting noise is considerable, but mechanical noise of firing
cycle and bullet's flight noise (ballistic "crack") are impossible to eliminate
by any suppressor. Flight noise of supersonic bullet is found to be useful in actual
battle: Cracking sounds of bypassing bullets tends to bluff the enemy, and so hide the
position of a shooter, as muzzle blasts, muzzle flashes and other shooting signatures are
eliminated with a suppressor. Shooting noise with a suppressor and full-power 9x19 mm
cartridges is about as loud as a .22 rifle with Super Speed cartridges.
If extra quieting is needed it may be necessary to use cartridges with reduced powder
charge; so called subsonic loads with bullet velocity preferably less than 300 m/s. If
commercial subsonic ammo is unavailable, any experienced handloader may develop and reload
them. If the bullet weight is 8 g or less, these loads are unable to complete the feeding
cycle of MP5 reliably. However, mechanical noise - other than snap of the hammer - will be
absent, and suppressed muzzle blast is not much more audible. Manual ejection and feeding
are quick and easy to accomplish. For extra quieting, Reflex Suppressor can also be used
wet. If bullet weight is 9 g or more, it is possible to get reliable automatic feeding
along with silent flight of the bullet. Mechanical noise of the action is, however, always
present. Truly 'silenced' shooting with self-loading or full-auto firearms is possible
just with limitations.
Mounting a suppressor with an Easy Bayonet Mount: H&K MP5 submachine
gun has three bayonet lugs behind the muzzle. If lugs and muzzle are undamaged, unaltered
and not badly worn, mounting is done easily without special skill or tooling. Slip the nut
of the suppressor onto the muzzle and beyond the bayonet lugs. First turn the suppressor
counter-clockwise a couple of turns to make sure the locking nut is opened enough to
engage the lugs. Then rotate the suppressor clockwise. After 1/6 turns you should feel the
lugs clutching in their slots inside the nut. Now just tighten it clockwise. You will feel
some resistance. This is a safety feaure of the novel friction ring of the Easy Bayonet
locking nut to prevent losing the nut from disconnected suppressor while transfer and to
provide more security against suppressor getting loose on the muzzle. The friction ring is
a standard 20x2 mm O-ring and it can easily be replaced to a disconnected nut if it is
worn or lost. Caution: Do not overtighten the suppressor! Twist by one
hand, not with tools. Overtightening will cause unnecessary wear of muzzle aligning
surfaces and in worst case result in unaligned mounting. Never shoot with a loose
suppressor, as this will cause the bullets grasp the baffles. Disconnecting:
Turn the suppressor counterclockwise a couple of turns while pulling it forwards (towards
the muzzle). Now the lugs can be uncluthched from their slots by pushing the suppressor
towards the gun, then rotating the suppressor 1/6 turns counterclockwise and pulling it
straight out of the muzzle.
Maintenance: Reflex Suppressor is practically maintenance-free device. Normal fouling of
powder and primers do not have effect on its functioning. Loose solid impurities like
powder kernels and carbon chips are easy to remove by brisk shaking while keeping the
rear-end pointing downwards. After a shooting session it is advisable to remove the
suppressor. This helps water condensed from powder gas to evaporate away. For storage,
ordinary gun oil can be applied.
For alternate means of bayonet mounting, see also manual of screw secured MP5 Reflex Suppressor
MP5 Easy Bayonet Mount Reflex Suppressor
MP5 Reflex Suppressors on Internet: http://guns.connect.fi/rs/MP5.html
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