Complete/adjustable Gas System Kit, K43- Quality Made In The U. S. A. Since 2005
FINALLY, BACK IN STOCK-JANUARY 2026. SAME KITS WE HAVE BEEN MANUFACTURING SINCE ABOUT 2005, HERE IN THE U. OVER THE YEARS THERE HAVE BEEN MANY DESIGN AND PERFORMANCE DETAILS INCORPORATED INTO THESE KITS, THIS BATCH IS NO DIFFERENT- QUALITY FIRST.. THIS IS WHAT IS INCLUDED IN THIS KIT, LONG OP ROD, SPRING, SHORT CONNECTING ROD, CYLINDER TUBE, PISTON, 5 SET SCREW RESTRICTORS. 3MM ALLEN WRENCH, AND 8MM OPEN END WRENCH.
THIS KIT IS DESIGNED TO ALLOW YOU TO ADJUST THE GAS PRESSURE GOING TO YOUR BOLT RECOIL SYSTEM. INSTALL "ALL" THE MAIN COMPONENTS IN THIS KIT.
"DO NOT" USE WITH OTHER ORIGINAL PARTS, OR OTHER NEW PARTS. ALL THE PARTS IN THIS KIT ARE HELD TO CLOSE LENGTH TOLERANCES SO THAT THE OVERALL LENGTH WHEN ASSEMBLED SHOULD LEAVE NEAR ZERO SPACE/LASH BETWEEN THE OP ROD AND BOLT CARRIER NOSE. DESIGNED FOR ADJUSTING FOR "LIVE FIRING", BUT CAN ALSO AID IN BLANK FIRING AS WELL. WHEN FIRST SETTING UP, INSTALL THE SMALLEST HOLED SET SCREW INTO THE PISTON.ONLY GO BIGGER IF THERE IS NOT ENOUGH GAS PRESSURE TO FULLY RETRACT BOLT, EJECT, AND CHAMBER NEXT ROUND. BRIEF DESCRIPTION OF EACH PART AS FOLLOWS. LONG OP ROD- MADE FROM HIGH CARBON 1144 STEEL, AND ALSO SPOT HEAT TREATED ON THE TIP SO AS NOT TO MUSHROOM OUT AFTER REPEATED USE.
SHORT CONNECTING ROD- MADE FROM HIGH CARBON 1144 STEEL. ALSO, THIS ROD SHOULDERS TO THE FACE OF THE OP ROD, AND CYLINDER TUBE- THIS MAKES IT MORE STABLE, AND MORE ACCURATE LENGTH CONTROL. CYLINDER TUBE- MADE FROM 4130 STEEL TUBING, AND 1144 STEEL- HAS 2 VENT HOLES TO ALLOW EXCESS GAS BLEED OFF- COPIED FROM AN ORIGNAL 1944 VARIANT. PISTON- MADE FROM HIGH QUALITY 300 SERIES STAINLESS STEEL.
TAPPED IN THE NOSE END TO ALLOW INSTALLATION OF THE SET SCREW RESTRICTORS. (6MM X 1.0, 8MM LONG). PISTON BEING MADE FROM STAINLESS AIDS IN CORROSION RESISTANCE, AND SMOOTHER OPERATING. 5 SET SCREW RESTRICTORS WITH HOLES FROM. THESE ARE ALSO MADE FROM QUALITY STAINLESS STEEL. 3MM ALLEN WRENCH- NOTHING FANCY- ITS A WRENCH. 8MM OPEN END WRENCH- MODERN GERMAN"GEDORE" MADE, WITH SIMPLE OLD TIME STYLE. FEEL FREE TO CONTACT ME FOR ASSITANCE WITH INSTALLING, OR SETTING UP YOUR RIFLE.OR LOOK UP ONE OF THE NUMEROUS "YOU TUBE" VIDEOS FOR VISUAL ASSITANCE. I also have some other items of interest up, check them out!! NOW HAVE MANY OF MY PRODUCTS AVAILABLE ON THE WEB-- KRIEGSENDEMILITARIA -- MANY OTHER ITEMS THERE ALSO-CHECK IT OUT!
ALSO SEE'RAVENNA ARMORY' FOR A WIDE VARIETY OF WW2 ERA PARTS.