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SOUND SUPPRESSOR MODEL MK-9K
MOUNTING ON WEAPONS
Although some versions of the HK MP5 submachine gun have muzzle
threads, we suggest utilizing the 3-lug mount whenever possible, as it is a
superior and more stable mount. For mounting on other weapons, the sup-
pressor can be special ordered to mount on a 1/2-28 threaded barrel.
The MK-9K using the Tri-Lock 3-lug coupler must never be mounted on
a 3-lug threaded barrel without a thread protector in place. Failure to observe
this caution may result in misalignment. If there is any question, we can
provide a suitable thread protector.
When mounting on a threaded barrel, the suppressor should be screwed
on hand tight only. It is important to periodically ascertain that the suppres-
sor has not unscrewed, which can cause misalignment.
We guarantee alignment of the MK-9K suppressor only on original Ger-
man 3-lug H&K MP5 barrels, those converted by S&H Arms Co., or on non-
3-lug barrels converted by us. Damage caused by misalignment is not cov-
ered under the warranty.
Before performing any installation or maintenance operation,
always remove the magazine from the firearm, open the action, and
visually ascertain that the chamber is empty and the weapon unloaded.
Failure to do so can result in potential for serious injury to the user and
others in the vicinity.
GEMTECH TRI-LOCK MOUNTING INSTRUCTIONS
1. Be certain the weapon is unloaded, the magazine removed, the safety on,
and the bolt locked in the open position.
2. Align the grooves in the silencer mount with the lugs on the barrel.
3. Pull the silencer onto the barrel against spring tension until the silencer
can be rotated counter clockwise while holding the weapon in the firing
position.
4. Rotate the silencer 60° until it stops and release pressure on the silencer.
Rock the silencer to be certain that the lugs have engaged the pocket
recesses in the mount.
5. Removal is the reverse of installation. It will be necessary to pull the si-
lencer rearward in order to rotate it 60° clockwise.
DANGER
P. 5
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