User's Manual: MX/MG Sound Moderators for 9mm and 7.65mm
Contents
1. C BR gt Reflex Suppressors User s Manual MX MG Sound Moderators for 9mm and 7 65mm Pistols MX Minireflex Moderators are light and small all steel devices primarily intended for reduction of environmental grievances and defects of hearing caused by noisy reports of 9x19mm and 7 65mm pistols The basic model MX12 weighs ca 140g and adds ca 140mm to the length of a pistol MX12 is an extra durable pistol moderator best suited for very active shooters using primarily full power 9mm ammo If the pistol is shot primarily with subsonic ammo the Minireflex Moderator MG16 is the best choice with its added number of baffles Dimensions of MX12 and MGI16 are chosen to compromise between silencing effect and automatic function of self loading pistol loaded with full power supersonic or heavy bullet subsonic cartridges Properly mounted Minireflex Moderator does not affect bullet speed or precision Standard finish of Minireflex moderators is military grade parkerizing Diameter of a Minireflex Moderator is small enough to enable use with pistol s standard sights Very best silencing effect is possible by shooting subsonic 9x19mm cartridges However all steel Minireflex Moderators endure shooting with full power rounds of 9x19mm Para Luger ammunition Shooting noise is then comparable to noise level of an unsilenced 22 LR target pistol Recoil action pistols are suitable for use with a moderator Most recoil action pistols require shortening t2. 5 Use of heavy bullet and reduced charge is the most advisable way to get reliable autoloading of the pistol along with reduction of shooting noise Some brands of 9x19mm Subsonic cartridges with heavy bullets are available factory loaded Recommended bullet weight is 147 grains Bullets with round point are best if reliable functioning of pistol is of vital importance Does it need an extra barrel for mounting No most centerfire pistols have thick enough barrel wall 2 millimeters or more so a threaded barrel extension can be mounted to them by soldering with regular silver alloy The extension is made by a gunsmith or a suppressor manufacturer and it is a very economic alternative to purchasing a new extra long barrel Internal thread in the muzzle is in principle also possible but the barrel wall thickness may not be sufficient for it and the thread is prone to heavy fouling It is also possible to sink the Minireflex suppressor thread end extension inside the slide by enlarging the slide bushing around the muzzle a recess with 15 mm diameter on the front end of slide around the muzzle deep enough to expose muzzle thread and relief cut Not always even muzzle extensions are needed Some pistols with long muzzles like Beretta need just thread cut on the muzzle However most models like Browning Hi Power need a muzzle extension Mounting of a Moderator may cause need to re adjust the sights Pistols may shoot too low due to decreased j
3. he recoil spring for compensating the moderator s extra mass on the recoiling barrel Glock is particularly sensitive to any mass on its muzzle and it requires its very own extra light moderator version the MG12 Even then both recoil and striker springs of Glock need to be shortened for reliable cycling Users report that the striker spring of Glock can be shortened by 25 to 30 without getting misfires The recoil spring tolerates 10 30 shortening before causing feeding problems Cut one turn at a time from the spring and try the pistol Use spare unshortened recoil spring for shooting without a moderator to avoid stressing the action of the pistol Striker spring needs not to be replaced for unsuppressed shooting Straight or delayed blowback pistols like Walther PP and HK P7 will cycle normally with a sound moderator without modifications to recoil spring Fastening and unfastening of a Minireflex Moderator is easily done by winding on off tightening firmly by just one hand Note Never use tools over tightening is unnecessary and may lead to eccentric mounting Use heat protective glove or cloth for unwinding if rapid firing has heated up the jacket of the Moderator Along with noise reduction the Moderator acts as a muzzle brake or a compensator of recoil and muzzle jump Additional weight ahead of the pistol renders also steady aim and enhanced accuracy of shooting Minireflex Sound Moderator is primarily a muffler of excessive noi
4. ing very carefully rear end of mounting sleeve slanting until aligning is achieved See aligning instructions below Note The moderator should NOT contact the slide when mounted on a pistol If the pistol barrel is too thin for a proper shoulder to be cut behind the threading the moderator mount has a small internal shoulder that the end of the pistol barrel butts up against for secure mounting The moderator s mounting sleeve should be shortened so that the sleeve does not contact the pistol slide when the moderator is mounted tightly and the slide is fully forward in battery Etuvaimentimen keskit s Centering of a Farward mounting suppressor Epdkeskeinen wnimennin Fiippu oo piipun l pi koisottuna Borrel uppressur Pdestopain Front view through 3 bore with eccentric suppressor mounted Kiinnitvskierre piipunsuusso vaimentimen pd wistotaan Voimennin keskittyy Inttnviilnlln sun werran suppressor ES He end is filed E l slanting with uppressur aligns o fint File ta relief cut end tricity Voimennin jo piippu SOMONKESKEISET Lorrectly mounted cmnceniric suppressor Warning Internet Owner s Manual http www canadiantactical ca Docs MG16OwnersManual PDF Manufacturer Br Tuote Oy Sahamyllynkatu 33 80170 Joensuu Finland Canadian Distributor Canadian Tactical Calgary Alberta 403 277 5184 403 699 0025 fax www canadiantactical ca info canadiantactical ca
5. se also known as semi silencer Silencing effect is however available in full extent just by use of subsonic cartridges For extra silencing effect Minireflex Moderators are strong enough to be used also as a wet suppressor by applying about a spoonful of grease inside the moderator from its back and spreading it with a stick among the baffles and away from the bullet path Grease or liquid inside a sound moderator absorbs muzzle blast energy by its immediate vaporization The effect stays for 3 to 20 shots after each refilling depending on the properties of the absorbing substance Ordinary lithium based lubricating grease is one of the most easily available absorbers Caution Do not over fill the moderator as it will raise the inside pressure beyond a risk of suppressor damage Functioning of recoil action pistols is inherently sluggish or deficient because of extra weight attached to recoiling barrel A great many pistols will eject and or feed reliably only loads with extra heavy bullets A makeshift trick is to obtain an extra recoil spring and cut it short enough to reduce spring tension 20 to 25 per cent This method may however result in feed jams especially when the magazine of the pistol is crammed till it s nominal capacity Shooting with reduced tension recoil spring and without Sound Moderator may curtail life of pistol if powder charge of cartridges behind standard weight bullet 1s not reduced along with spring tension 20 to 2
6. ump of muzzle Knowledge of this effect is important especially when pistol 1s equipped with fixed sights A Moderator is not as foolproof device as the Telescopic Reflex Suppressors are because of its thread mounting at the muzzle only Check frequently the tightness of mounting thread Maintenance Mounting Directions Competent gunsmith is needed for mounting Thread must absolutely be lathe turned not cut with hand die Barrel must be unfastened from pistol centered between three jaw chuck or four jaw if necessary due to odd shape Muzzle must be centered with a conical point of tailstock in the bore Length of thread M12x1 M13x1 M14x0 75 1 2 x28G is about seven millimeters or more including relief cut which is usually 1 5 mm wide and no more deep than the nominal inner diameter of the thread or smallest diameter of female thread in Moderator s mounting sleeve If the thread length on a pistol barrel is too short the Moderator s mounting sleeve can be shortened until the pistol s slide does not contact the moderator mount Fit of male muzzle and female sleeve thread must be loose enough for easy winding on off with three fingers of hand but excessive slackness must be avoided Aligning of mounted moderator and bore of barrel must be checked by looking through the bore from the chamber If the bore and holes of diaphragms silencing baffles are not in line it is possible to correct slight eccentricity by filing or grind
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