MAC'S SHOOTIN' IRONS,LLC
TUFF-GUN FINISH SPECIFICATIONS

WE USE ONLY KG INDUSTRIES (ORIGINALLY KNOW AS KAL-GUARD) GUNKOTE AS THE 'MOLLY COAT" IN OUR TUFF-GUN FINISHES. THIS PRODUCT HAS BEEN (AND STILL IS) IN USE BY THE MILITARIES OF SEVERAL NATIONS FOR QUITE A FEW YEARS. THE REASON FOR THIS WIDE SPREAD AND LONG TERM USE IS SIMPLE: IT DOES WHAT IT'S DESIGNED TO DO.
THE FOLLOWING IS A LIST OF SOME OF THE TESTS THAT GUNKOTE HAS BEEN SUBJECTED TO AND PASSED.
THIS IS AN ADHESION TEST AND CORROSION RESISTANCE TEST.  AFTER BEING SUBMERGED IN THE LISTED CHEMICALS FOR THE REQUIRED AMOUNT OF TIME, THE FINISH BEING TESTED MUST PASS THE ADHESION TEST TO INSURE THAT IT IS STILL BONDED TO THE BASE METAL. GUNKOTE PASSED.


CHEMICAL
IMMERSION TIME.
STANDARD HYDROCARBON TEST FLUID 24 HOURS
AVIATION GASOLINE  24 HOURS
HYDRAULIC FLUID (PETROLEUM BASED) 24 HOURS
JEP FUEL  (JP-4) 24 HOURS
LUBRICATION OIL 24 HOURS
HYDRAULIC FLUID (SYNTHETIC) 24 HOURS
PAINT REMOVER (EPOXY SYSTEM) 24 HOURS
TRICHLORETHYLENE 24 HOURS
DOW CORNING DC-150 24 HOURS
NITRIC ACID 24 HOURS
HYDROCHLORIC ACID 24 HOURS
HYDROGEN PEROXIDE 24 HOURS
AMMONIA HYDROXIDE 48 HOURS
SODIUM HYDROXIDE 1 HOUR
SULFURIC ACID  3% 1 HOUR
SULFURIC ACID 30 % 1 HOUR
SODIUM BISULPHIDE 30 DAYS
212 DEGREES (F) ALAKALINE CLEANER 2 HOURS
SALT FOG SPRAY 1000 HOURS   (42 DAYS)
WATER IMMERSION 37 DEGREES C. 1000 HOURS  (42 DAYS)
SEA WATER IMMERSION 1440 HOURS   (60 DAYS) 

GUNKOTE ALSO PASSED AN ABRASION RESITANCE TEST.
A TABOR ABRASIVE WITH A #CS10 WHEEL LOADED TO 500 GRAMS WAS  ROTATED 235 TIMES
AGAINST THE FINISH.



OUR TUFF-GUN FINISH REQUIRES A HUGE AMOUNT OF PREPARATION.
THIS INCLUDES SEVERAL DIFFERENT TYPES OF CLEANINGS, ABRASIVE BLASTING, METAL PRE-TREATMENT AND
A FOUR STAGE CURING PROCESS IN A MICRO-PROCESSOR CONTROLLED RE-CIRCULATING OVEN.

A DIFFERENT WELL ADVERTISED "COAT" FINISH ADVERTISES THAT THEIR FINISH REQUIRES ONLY CLEANING AND
OVERNIGHT CURING AT NORMAL AIR TEMPERATURE.

THESE ARE PHOTO'S OF A SIG SLIDE THAT WAS FINISHED WITH "THEIR COAT" PER THEIR INSTRUCTIONS. THIS SLIDE WAS ON A DUTY WEAPON CARRIED DAILY IN ALL KINDS OF WEATHER EXTREMES. AS YOU CAN SEE, "THEIR COAT" DID NOT HOLD UP IN THE REAL WORLD!

HERE'S MORE OF THE SAME FINISH ON A HI-POWER FRAME.

TRY THIS: ASK "THEM" HOW LONG THEIR FINISH WAS TESTED SUBMERGED IN
HYDROCHLORIC ACID OR AVIATION FUEL?
OK, OK! THAT MAY BE TOO TOUGH FOR "THEM".
HOW ABOUT THIS: HOW LONG WILL IT WITHSTAND A SUPERHEATED 15% OXYGENATED
SALT WATER IMMERSION SPRAY?
STILL TO TOUGH? WELL, DANG!
ALLRIGHT, HERE'S AN EASY ONE! ASK THEM THIS: HOW
LONG WILL THEIR FINISH WILL HOLD UP TO A COMBINED EXPOSURE TO SODIUM
HYPOCHLORITE VAPORS AND SODIUM CHLORIDE?
OH COME ON NOW! THAT'S JUST SOME TIME AROUND THE POOL AND THEN A WALK ON THE BEACH. IF THEIR FINISH IS UNABLE TO COPE WITH THAT, WHY WOULD YOU WANT IT ON YOUR FIREARM?
NOTE: IF THIS WERE GUNKOTE WE WERE DISCUSSING, THE ANSWERS WOULD BE:
24 HOURS
24 HOURS
1000 HOURS (42 DAYS!)
TOTALLY UNAFFECTED
TOTALLY UNAFFECTED
IN CASE THEY ANSWER THAT THOSE QUESTIONS ARE TOTALLY UN-REALISTIC, I HAVE BEEN ASKED ALL OF THEM
SEVERAL TIMES EACH EXCEPT FOR THE HYDROCHLORIC ACID ONE. NOBODY HAS EVER ASKED ME THAT!



WARNING!    WARNING!    WARNING!
THE FOLLOWING PHOTO'S ARE ABSOLUTELY DISGUSTING AND WILL CAUSE YOU TO LOOSE SLEEP.
DO NOT  CONTINUE PAST THIS POINT IF YOU HAVE A WEAK STOMACH!
YOU HAVE BEEN WARNED!


THIS SIG WAS REFINISHED BY A CERTIFIED GUNSMITH! AT LEAST, IT SAYS HE'S A CERTIFIED GUNSMITH ON HIS BUSINESS CARD. HE USED "THEIR" FINISH PER THEIR INSTRUCTIONS. AT LEAST, HE CLAIMS HE FOLLOWED THEIR INSTRUCTIONS. NOW, I DON'T LIKE "THEIR" FINISH AND WON'T USE IT BUT THIS IS WAY PAST THEIR NORMAL "I LOOKED TO CLOSELY AT IT AND THEIR FINISH FELL OFF". HE ATTEMPED TO DO A TWO TONE WITH TAN AND BLACK. LOOK CLOSELY AT THE PHOTO'S AND SEE IF YOU NOTICE ANYTHING ODD. REMEMBER, HE CLAIMS TO BE A CERTIFIED GUNSMITH. (HINT. LOOK FOR THE PATTERN!!)

HE APPLIED A TWO TONE PATTERN BY MASKING OFF CERTAIN PARTS..WHILE THE PISTOL WAS STILL ASSEMBLED..AND THEN SPRAYED
BLACK OVER THE TAN. YOU CAN SEE THIS REALLY WELL ON THE TRIGGER AND HAMMER. THE GOOPY LOOKING STUFF ON
THE TRIGGER AND HAMMER IS THE FINISH.


HE SPRAYED IT WITH IT STILL ASSEMBLED!  NOTICE THE PATTERN ON THE END OF THE PIN?


SEE THE PATTERN ON THE EXTERNAL SURFACE OF THE HAMMER RETURN BLOCK? THE BARE SPOTS ON THE BARREL WERE PEELED OFF BY FINGERNAIL.


THE ARROW IS POINTING TOWARDS THE SEAR. THE FINISH GLUED IT IN PLACE!!! NOTICE THE BUILT UP CRUD AROUND THE SEAR. THIS
SO-CALLED GUNSMITH USED RUBBING ALCOHOL AS THE CLEANING SOLVENT PRIOR TO REFINISHING IT. ALTHOUGH RUBBING ALCOHOL
MAY BE A GOOD SURFACE CLEANER, IT'S NO GOOD AS A GENERAL CLEANING SOLVENT!
THIS PHOTO OF THE FRAME SHOWS HOW IT WAS RECEIVED IN OUR SHOP.
 

YES, HE EVEN SPRAYED UP INSIDE THE BARREL!!!

NOW, LIKE I'VE SAID IT BEFORE: I DON'T LIKE "THEIR" FINISH AND REFUSE TO USE IT!   HOWEVER, IN ALL FAIRNESS, THIS AWFUL LOOKING JOB IS THE RESULT OF A HACK PRETENDING TO BE A CERTIFIED GUNSMITH. PER THE CUSTOMER: THE SO-CALLED GUNSMITH TOLD HIM THAT HE DID IT THAT WAY BECAUSE HE DIDN'T KNOW HOW TO TAKE A SIG APART!

THE SINGLE BIGGEST PROBLEM WITH ALL SPRAY ON TYPE FIREARM FINISHES IS THAT IT SEEMS SO EASY. A TOASTER OVEN, SOME BRAKE CLEANER AND A EIGHT DOLLAR AIRBRUSH IS ALL YOU NEED, RIGHT? PER "THEIR" FINISH INSTRUCTIONS, YOU DON'T EVEN NEED THE TOASTER OVEN AND DON'T WORRY ABOUT EXPERIENCE: jUST FOLLOW THEIR INSTRUCTIONS!  THE ABOVE PHOTO'S SHOW THE RESULT OF THAT.



YES, IT DOES ALL MAKE A DIFFERENCE!

MAC'S FINISHES ARE TUFF!


TUFF-GUN! THE NAME SAYS IT ALL


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MAC'S SHOOTIN' IRONS IS A LIMITED LIABILTY COMPANY REGISTERED IN THE STATE OF ARIZONA.
MAC'S SHOOTIN' IRONS, TUFF-GUN 1, TUFF-GUN 2 AND TUFF-STOCK ARE ALL REGISTERED TRADE NAMES OWNED BY MAC'S SHOOTIN' IRONS.