American Handgunner July/August 1979

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BROWNE & PHARR MAKERSPistolBelt CliP.Replacement \J for your holster.Spring steel clip holds gun securely inside waistband.Easy to install. Fits Colt 45, Smith & Wesson 39 and59, Smith & Wesson J frame revolvers. Blue finish,$4.95 ea., ppd. Send cash, check or money order.Specify gun model. Dealers please inquire.B-P ManUfacturing, Inc.• Dept. AH • BOI 1103Norcross, Ga. 30091 • Phone: 404/447-9285--50• HandstitchedWelt & Plug• Custom Molded• Catalog $1 .00DON HUMELEATHER GOODS INC.Jordan Hoister®Mfg. Under Exclusive Rights From Bill JordanJORDAN RIVER HOLSTER AND RIVER BELT Th,s set is not onlyaccepted by Police as regulation equipment but IS also popularwith sportsmen The features incorporated in the holster assurethe wearer thaI the gun will. be in the right position and readilyavailable when needed ThiS combination has been tested andproven tor many years as to its effICiency and comlort gOingthrough underbrush. shooting in combat. sllIlng In an automobile.riding on horseback, etcLike all our equipment. thiS set is produced by experlcraftsmen who give each lIem that persona! louchRIVER HOLSTER - Constructed from heavy saddle leatherMetal In holster extends into bell loop. Welt and plug are handstitchedwith waxed linen thread Custom Molded. ForDouble-Action only. Add $200 lor barrel over 4" $26.35RIVER BELT - Fully lined. nickel or brass buckle, width 2V,"Give waist sIze $24.00Box 351 Dept. A.H. Miami, OK. 74354We've Came ToJust Raw ToughYou Beally AreSouthwest Metallic Silhouettes manufactures standard ~or custom scaled Silhouettes for your range.For more information send 2St and a self·addressedenvelope to: Southwest Metallic Silhouettes -..... P.."""Ok~_-P.O. Box 476 Uvalde, Texas 7BBOI Ior Catt: (512) 27B-5454 (5t2) 27B-32B7CYLINDER GAP(Continuedfrom page 48)NOTE:'We resolved to record throat diameterssince variations in thesedo greatly influence pressure andvelocity, and the informationmight later prove valuable.And here we learned something else. Notonly was the rear face of the barrel notsquare, neither was the front face of thecylinder! I don't know how the maker cutscylinder blanks from bar stock but his toolat least in this case did less than a perfectjob.I had selected two batches of .357 Magnumammunition and two of .38 Specialso that we might also see ifwide variationsin pressure levels might reveal anything ofinterest about barrel gap variations. As itturned out, one of the .357 brands provedmost interesting and in an unexpectedway. Here were the specific loads I choseand the average velocities they developedwhen fired with the initial barrel gapsshown above:FIRST TEST FIRING-6 INCHMODEL 28CARTRIDGECHRONOGRAPHED VELOCITYWOW Superspeed 158 grain Lead SWC,lot unknown, .357 Magnum 1450 fpsS & W 158 grain Jacketed Hollow Point,lot 0150581, .38 Special 895 fpsNorma 158 grain Jacketed Hollow Point,lot 03220, .357 Magnum 1285 fpsW-W-P 158 grain Lead Hollow Point,lot D9LM6, .38 Special 1037 fpsThe first load shown is very old ammunition.It remains in good condition. Thatold ammunition was obviously a hot loadand well above today's SAAMI standards.Haywood Nelms then removed the barrelfrom my Model 28, put it back on hislathe and turned it down a few thousandthsfor the second test firing. Werepeated the process yet a third time so asto get a good spread both of gaps and velocityreadings, Here, in summary form,are the overall results of all three firings,and the barrel gaps for each shoot by cylinder.(I have not listed all the velocityreadings so as to keep things simple.)TEST FIRING SUMMARY(a"ridge/Gap No I No 2 No 3 No 4No 5 No 6 VelocityTest 1Gaps .003 .003 .0025 .0025 .0025 .003Load 1 1450Load 2 895Load 3 1285Load 4 1037Test 2 Gaps .007.006 .006 .006 .006 .007Load I 1387Lood2 ~7Load 3 1228Load 4 1009Test 3 Gaps .010.009.009.009 .008 .009Load 1 1346Load 2 826Load 3 1175Load 4 962(Continued on page 54)AMERICAN HANDGUNNER . JULY / AUGUST <strong>1979</strong>
Customize Your Own Handgun With TheFamous Pi ComponentsThe Enforcer has become immensely popular in a relatively short periodof time because it is an excellent, lightweight, deadly accurate combat pistol.Also, because it includes a multitude of custom features that make it, perhaps.the most attractive and practical .45 caliber automatic ever made.So that you can customize your own handgun, a line of custom componentshas been introduced by M-S Safari Arms to fit most .45 caliber automatics.Of the many custom components used on the Enforcer, the first six are nowavailable from stock..... Beavertail Grip Safety. Provides better control of theweapon by spreading recoil over a larger area 01 theshooter's hand, reduces apparentrecoil and eliminates hammerpinch.Requires minimal framecontouring for perfect fit.$15.00... Extended Combat Slide Release. Computercalculated angle and curvature of releasesallows reliability on hand control from shootinggrip leaving left hand free to handle freshmagazine insertion. $17.506. Extended Combat Safety. Matchproven design assures positivecontrol of safety without having toshift or reposition grip. $16.95... Ambidextrous Combat Slide Release. A first by M·SSafari AnTIS - Now full control of the .45 Automatic withthe left hand. $29.50 per set..... Combat Magazine Base Pad. With this component. you don'thave to worry about noise or damage to magazine when ejecting themagazine - even from a standing position - during match shootingor in combat. $1.95All components are supplied in satin finished, stainless steel, ready forgunsmith's installation. Please use the coupon to order components direct fromthe factory; or, to request further information about the Enforcer which, ofcourse, must be delivered through your local gun dealer.(_A;\~SAFARI ARMS--:; , : Post Office Box 28355Tempe, Ari.zona 85282(602) 277-1481... Ambidextrous Combat Safety Set.Allows full function of safety for lefthanded shooters or right handedshooters in case of injury. $34.95 setr ....----------TO, M-S SAFARI ARMS· P.O. Box 28355 . Tempe. AZ 85282IIIIIIPlease enter mr order for: Quantity Totalo Beavertail Grip Safety@$15.00. $ _0 Extended Combat Safety@ $16.95. $---Combat Magazine Base Pad @ $1.95 . $ _o Extended Combat Slide Release @$17.50set. $ _0 Ambidextrous Combat Safety Set @ $34.95 . $---o Ambidextrous Combat Slide Release @ $29.50 set. $ _Shipping & handling $ 1.00My check or mbney order is enclosed: Total $---o Please send me information on the Enforct:r and other productsavailable from M·S. I enciose $1.00 for postage and handling.NameAddressCityState Zip _AMERICAN HANDGUNNER . JULY / AUGUST <strong>1979</strong> 51__
Page 4 and 5: JULY/AUGUST, 1979 Vol. 4FEATURESNO.
Page 9: 45 Automatic Colt Pistol. The Colt
Page 12 and 13: CHRONOCRAPHVELOCITY TEST YOUR RELOA
Page 14 and 15: BAG TWO~BOOKSWITH ONE SHOT...ANYWHE
Page 16 and 17: Handgun &gun partsREFERENCE CATALOG
Page 18 and 19: s·Hercules.Specialists insmokeless
Page 20 and 21: CLARK" RUGeR20~AdjUstab,e, Rear Sig
Page 22 and 23: BY PHILLIP C. BRIGGSSKIP TALBOT ON
Page 24 and 25: 24SHOOTWITHRAYCHAPMANLET RAY CHAPMA
Page 26 and 27: In Re~o/~e"sBy Claud S. HamiltonBar
Page 30 and 31: lying less than two inches above th
Page 32: THELITTLES
Page 35 and 36: CustomShop_BY EVAN P. MARSHALLFOUND
Page 37 and 38: The 158 grain .357 is dwarfed by va
Page 39 and 40: In his new book, legendary leatherm
Page 41 and 42: The Firepower of Three Revolvers in
Page 43: on the barrel. A set ofguide rails
Page 47 and 48: HanrO'unLea ,aj-1er_BY MASON WILLIA
Page 49: LIGHT LOADTMMost Effective HandgunS
Page 53 and 54: Here's what three top pistol shoote
Page 55 and 56: It's an exciting, new fast-moving c
Page 57 and 58: DAN~ESSON~~ PROUD TRADITION IN FIRE
Page 59 and 60: On July 30, 1978, duringthe Governo
Page 61 and 62: lieve it does the job as well as co
Page 63 and 64: If and when a synthetic substitute
Page 65 and 66: CUSTOM SHOP(Continuedfrom page 35)s
Page 67 and 68: as a particular problem for revolve
Page 70 and 71: 70Not the Lightest • Not the Smal

American Handgunner July/August 1979

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