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Ask the Guru

QUESTION #5:  I HAVE OWNED A CZ-75B, 9MM PISTOL FOR THE PAST 10 YEARS & IT HAS BEEN VIRTUALLY “PERFECT” IN EVERY RESPECT. LATELY, I HAVE NOTICED THAT THE MAGAZINES DO NOT DROP-FREE, NEARLY AS EASILY AS THEY DID IN THE PAST. WHAT WOULD YOU SUGGEST I DO, TO RESOLVE THIS ISSUE?  THANKS! 

DETAIL STRIP & CLEAN THE MAGAZINES, REASSEMBLE, & POLISH THE OUTSIDE WITH A NON-ABRASIVE METAL POLISH. CLEAN INSIDE THE FRAME MAG-WELL & THE RELEASE MECHANISM, WITH SOLVENT & A BRUSH. LUBE THE RELEASE MECHANISM. THOSE MAGS SHOULD NOW GO IN, LOCK-UP, & FREE-FALL WHEN THE RELEASE BUTTON IS PRESSED!

IF THIS DOES NOT IMPROVE THE FACTORY MAG FUNCTION, THEN CONSIDER PURCHASING REPLACEMENTS.

QUESTION #6:  I AM BEGINNING TO NOTICE FREQUENT MISFIRES, IN MY BOLT-ACTION RIFLE WITH EITHER FACTORY AMMO OR HAND-LOADS. ANY IDEA WHAT THE PROBLEM COULD BE? THANKS!

THE FIRST THING TO ALWAYS DO, IS ALWAYS SUSPECT THE BOLT ASSEMBLY NEEDS TO BE STRIPPED, CLEANED WELL, & LUBE LIGHTLY. REMOVE THE “STRIKER ASSEMBLY” (SHROUD, COCKING PIECE, SPRING, & PIN) AND CLEAN EVERYTHING WITH SOLVENT & BRUSH. CLEAN THE INTERIOR OF THE BOLT LIKEWISE. CONSIDER INSTALLING A NEW F/P SPRING, AS WELL. LUBE THE ASSEMBLY LIGHTLY, WITH A FULL-SYNTHETIC LUBE (DO NOT PACK IT WITH GREASE) & SERVICE IT MORE OFTEN!

QUESTION #7:  I WANT TO PURCHASE SOME ADDITIONAL MAGAZINES FOR MY 1911 PISTOL. WHAT BRAND WOULD YOU RECOMMEND?

SO LONG AS ANY MAGAZINE INSERTS SMOOTHLY, LOCKS TIGHTLY, FEEDS CARTRIDGES EASILY, SOLID SLIDE-LOCK AFTER LAST ROUND IS FIRED, & DROPS FREE OF THE FRAME WHEN THE RELEASE BUTTON IS PRESSED, IS CONSIDERED A “GOOD MAGAZINE”! YOUR PISTOL COULD CARE LESS WHAT “BRAND-NAME” IS STAMPED ON THE MAG, NOR ITS AGE. IT SIMPLY MUST PERFORM IT’S INTENDED TASK WITH 100% RELIABILITY—NO EXCUSES OR FAILURES!

“METAL-FORM”, “TRIPLE-K”, “MEC-GAR”, “WILSON SERVICE MAG PLUS”, “BROWNELL’S GEN-2”, & “CHIP MCCORMICK, SHOOTING STAR CLASSIC / MATCH GRADE”, & THE ORIGINAL “WILSON-ROGERS COMBAT”. MY PERSONAL FAVORITE IS “CHIP MCCORMICK”. 

QUESTION #8:  WHAT IS THE BEST BRAND OF FACTORY AMMUNITION, TO FIRE IN MY RIFLE?  THANKS FOR THE ASSISTANCE WITH MY QUESTION. 

THERE IS NO BRAND OF FACTORY AMMO THAT CAN BE CONSIDERED AS “THE BEST” TO FIRE IN YOUR RIFLE. THE “VERY BEST AMMO”, IS THE BRAND & BULLET WEIGHT YOUR PARTICULAR RIFLE WILL GROUP THE SMALLEST, @ 100 YDS, FROM A STABLE BENCH-REST POSITION. EVERY RIFLE (EVEN .22 LR) WILL USUALLY SHOW A PREFERENCE FOR A CERTAIN BRAND

THE ONLY WAY TO POSITIVELY DETERMINE THIS, IS TO PURCHASE 1 BOX OF EVERY BRAND-NAME & WITHIN THE SAME GENERAL PRICE RANGE—AS MANY AS YOU CAN AFFORD. MAKE SURE THE BULLET WEIGHT IS THE SAME FOR EACH BRAND. DO ALL TESTING FROM A VERY STABLE BENCH-REST & A FRESH TARGET LABELED FOR EACH BRAND. FIRE A SLOW 3-SHOT GROUP, CLEAN THE BORE, & REPEAT THIS PROCESS UNTIL EVERY BRAND HAS BEEN FIRED (DO NOT OVER-HEAT THE BARREL!). 

PRECISELY MEASURE THE SHOT-GROUPS (CTC) AND THE BRAND WHICH GROUPED THE SMALLEST, IS THE ONE YOUR BARREL REALLY LIKED. GET THE SCOPE “ZEROED” FOR THAT BRAND & STICK WITH IT!! THE AMMO YOUR BARREL HATED, CAN BE USED FOR PRACTICE, SOLD TO ONE OF YOUR BUD’S & TESTED IN ANOTHER RIFLE WHICH FIRES THE SAME CARTRIDGE.  

“HORNADY AMERICAN WHITE-TAIL” IS A VERY GOOD PLACE TO START YOUR TESTING, ALONG WITH THE LEAST EXPENSIVE REMINGTON, FEDERAL, & WINCHESTER YOU CAN ACQUIRE. BE DAMN SURE TO SAVE THOSE EMPTY BRASS CASES TO RELOAD—DUH!

QUESTION #9:  WOULD YOU PLEASE EXPLAIN WHAT “LOCK-TIME” IS? I KNOW IT HAS SOMETHING TO DO WITH THE FIRING MECHANISM INSIDE THE BOLT, BUT THAT IS ABOUT THE FULL EXTENT OF MY KNOWLEDGE. THANKS!

“LOCK-TIME” IS DEFINED AS “THE NUMBER OF MILLISECONDS REQUIRED, FOR THE FIRING PIN TO STRIKE THE CARTRIDGE PRIMER, THE INSTANT IT IS RELEASED BY PRESSING THE TRIGGER”. LOCK-TIME IS DECREASED WHEN THE MOVING PARTS HAVE BEEN MADE LIGHTER IN WEIGHT, ULTRA-SMOOTH BY POLISHING, APPLYING PROPER LUBRICATION, & THE INSTALLATION OF A STRONGER F/P SPRING. 

IF YOU SHOOT A REMINGTON 700 / 721 / 722, 1898 MAUSER, OR WINCHESTER MODEL 70, LIGHT-WEIGHT PIN ASSEMBLIES CAN ALSO BE INSTALLED INSIDE THE BOLT. 

QUESTION #10:  HOWDY GURU! I GOT A PROBLEM, MAYBE YOU CAN HELP ME WITH. MY FIREARM IS EQUIPPED WITH IRON-SIGHTS AND UNDER CERTAIN LIGHT CONDITIONS, I CAN BARELY SEE THE FRONT SIGHT. I HAD AN EYE EXAM & DOC SAID MY VISION WAS WITHIN NORMAL LIMITS. WHAT DO YOU RECOMMEND I DO?

THAT IS AN EASY-FIX! DEGREASE THE FRONT EDGE OF THE SIGHT BLADE & ALLOW IT TO DRY. CAREFULLY MASK-OFF THE SIGHT TO ISOLATE IT FROM THE BARREL. PURCHASE A BOTTLE OF THE LEAST $$$$ “HOT NEON PINK” FINGER-NAIL POLISH FROM YOUR FAVORITE STORE & SHAKE WELL! CAREFULLY DAB A DROP OF NAIL POLISH ON THE FRONT EDGE & LET IT DRY. APPLY ADDITIONAL COATS, UNTIL THE COLOR IS VIVID, & APPLY A LIGHT COAT OF CLEAR NAIL-POLISH, TO PROTECT THE COLOR PIGMENT. 

“GURU”

Mike Whitlock brings 40 years of firearms experience to the Guru’s Classroom.