Maximum allowable misalignment of threads to bore axis 1° so it may prove a wise move to farm out the job to a competent machinist/gunsmith. The %x28 pattern will allow installation of the Sionics Suppressors and other accessories available for the above guns. This will duplicate the Colt M-16/ AR-15 and Armalite AR 18/ AR 180 muzzle dimensions. The preferred method is to use a large thread cutting lathe, or a lathe and V'x28 EF (Extra Fine)Die to turn down and thread muzzle to specs given in fig.3. Drill through the hole in collar to notch barrel for pin clearance and reinstall roll pin. is greater at this point, so enlarge the collar's I.D.until it can be gently driven into position.Check blade for correct vertical alignment, and rotate it to the proper position if necessary. Reinstall the front sight in its new position on the barrel.The front edge of the sight collar should be 4.75" from the muzzle.(see fig.2) The barrel O.D. Now is a good time to improve the substandard sight as shown in fig.1, or you may wish to replace it completely by cutting a dovetail in the sight collar and installing a modified M1/ M14 front sight. SECTION ONE - Ruger Mini 14 Modification to Mount 5.56mm Suppressorĭrift out front sight roll pin,and drive the sight off the barrel. w/o machine tools, see M-10/ M-ll Silencer PMA Vol.2 §1. If your lathe lacks a thread cutting setup,farm out those steps to a machine shop or use substitute methods of assembly.įor more info on MAC/SIONICS, as well as an in depth explanation of alternate methods for producing silencer spirals, tubes etc. Most procedures needed can be done with a small metal cutting lathe and a standard drill press.
#SIONICS SILENT SNIPER M1 CARBINE MAC#
The following material will enable you to construct a noise and flash suppressor (silencer) based on the Sionic 5.56 mm/ M-16-unit designed and produced by MAC in 1972. Lamer's "Claymore Article" in the PMA Volume One, page 118. Obtain a copy of "Working with Plexiglass" from your dealer or refer to Mr. The Potassium chlorate/Granulated sugar mixture is made up of three (3) parts (by weight) potassium chlorate and one (1) part granulated sugar. The plunger spring should be chromed or stainless steel to prevent it from rusting while in contact with the main explos ive. The firing device and support base are completely enclosed boxes (except for the holes for the plunger) so that the main explosive does not get into them and jam them. The firing device case should be made of clear plexiglass to make it easier for you to see that the detonator is correctly placed when you glue it in place. When you are ready to plant your mines remove the safety pin and plug and bury them so that only the plunger extends a-bove ground. Store your completed mines in a cool, dark place. Fill the case with black powder, gun powder or a mixture of potassium chlorate and granulated sugar (see Notes). Insert the detonator and glue it in place. Attach a length of 1/8" nylon line to the safety pin to make it easier to pull the pin. Insert the safety pin through the pipe section and safety plug and open the ends of the pin to hold it in place. The plug should be long e-nough so that when it is held in place with the safety pin it holds the plunger tight against the inside of the support base. The safety plug is a piece of plastic round stock. The plastic disk on top of the plunger is optional, it provides a slightly larger area to be stepped on,but might also make the mine easier to spot. The stronger the plunger spring, the more weight it will require to depress the plunger and set off the mine. When the glue has dried» attach the plunger spring. Hardening caulking compound to seal the hole where the plunger passes through the case of the mine. Insert the completed assembly into the case and glue the support base In place over the safety plug hole. Now glue the front of the firing device on. Pull the firing pin back and slide the plunger up into position to hold it in the cocked position.
Hake sure to place it high e-nough so that when the plunger is depressed to release the firing pin, the block doesn't strike the top of the support base.Īttach the firing pin springs. With the plunger In place, glue the lower plunger spring block to the plunger. Insert the plunger through the bottom of the support base and up through the firing device.
Now assemble the support base and glue it to the firing dev i ce. It does not have to be a tight fit as the detonator will be glued in place later. Firing Device (detail) A-firing pin B-plunger pin C-A10 shell baseĪssemble the firing device as shown, leaving out the springs, and check the detonator for fit.
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