.338 Lapua Magnum A “New” Cartridge Comes Of Age
PRECISION, PEOPLE AND TECHNOLOGY.338 Lapua MagnumA “New” Cartridge Comes of AgeNDIA Joint Services Small Arms SystemsAnnual Symposium and Firing DemonstrationMay 7-9, 2007Bruce Webb, VP Marketing11.05.2007SMALL CALIBER DIVISION111
A New Caliber: Which Came First,The Weapon or the Ammo?211.05.2007SMALL CALIBER DIVISION12
The Challenge: Portable Sniping PowerThere is a big gap between the common calibers7.62mmx51 (.308 Win).50 cal (12.7mmx99) 12lb weapon Optics Ammo (M118LR) 900m Range 175gr projectile11.05.2007SMALL CALIBER DIVISION 30lb weapon Optics Ammo (Mk211) 1500m Range 650gr projectile MP133
US Military Addressed Gap In 1982Requirement (machine gun, semi-auto & sniper) Pre-”SOCOM” units defined need Launch 250gr projectile at 3000 fps Range 1500m (like .50cal)NSWC Crane ManagerResearch Armament Company lead (gun) Brass Extrusion Labs Limited (cartridge case) Hornady (projectile)411.05.2007SMALL CALIBER DIVISION14
Armament Research Corporation’s“Haskins Rifle” was the Star Jerry Haskins’ (AR) gun was well received– Simplified Action was working in .300 Win Mag and .50 BMG “.416-.338” napkin design based on .416 Rigby– Ed Dillon designed preliminary mods for .338/.416– Boots Obermeyer (barrels) refined interfaces– Jim Bell solved cartridge issues & made ‘conversion’ tooling Lapua was chosen as a production partner– Agreement made at the 1984 SHOT Show– Based on the .416/338 being the “Next Big Thing”511.05.2007SMALL CALIBER DIVISION15
Late 1984, System Problems Surfaced Recurring “Headspace” problems– Caused by oversize bullet w/Haskins bolt design [Dillon] US Military continued with Haskins– .300 Win Mag– .50 cal– but dropped the 416/338 Lapua, who had signed on for “production” wasleft at the dance without a date611.05.2007SMALL CALIBER DIVISION16
Lapua Adopted the Program “Alone”Promises of Production Quantities FadedLapua made further refinements (1984-1985)– Increased web thickness (possible “from scratch”)– Increased taper (still thinking about machine guns)Heym (Germany) made .338 ‘semi-custom’ guns (1985)– Heym’s ’98 style actions solved AR’s problems– Competitive long-range shooters choose .338 Lapua MagLate 1980’s Accuracy International developed a .338 Weapon– Malcolm Cooper (AI) represented Lapua in Britain– Developed the Arctic Warfare weapon in 7.62mm and .300 Win Mag– Migrated the AW to .338 Lapua Magnum become the first productionSAKO had provided test barrels to Lapua, followed– Fields the TRG-41 in .338 Lapua magnum711.05.2007SMALL CALIBER DIVISION17
.416 Rigby Becomes .338 Lapua MagComments:Comments:Accommodates large,heavy projectile(300-400 grain) for“Dangerous Game” Mouth Length VolumeIncreased taper forimproved extractionIncreased web forhigher pressure up to60,915 psi (420 MPa) .416” 2.90” 122gr H2O Mouth Length Volume .338” 2.72” 114gr H2O811.05.2007SMALL CALIBER DIVISION18
Interesting Things at SOCOM in 2007911.05.2007SMALL CALIBER DIVISION19
.338 Lapua Mag Timeline19821983198419851986198819891990 - 20042004 - 20072007200711.05.2007SMALL CALIBER DIVISION.416-.338 Concept (250gr x 3000 fps)USN/Research Armaments (Haskins)/BELL (Bell)/HornadaySHOT Show Agreement (ARC/Lapua)Heym (Germany)/Mauser/Lapua416/338 Begins Winning CompetitionsAccuracy International “Production”CIP RegistrationLong Range Competitors and EuropeanSnipers choose .338 Lapua MagnumRenewed US Sniper Use/InterestSAAMI IntroductionUS Military Qualification Planned ?11010
The Result: A Refined Example 8lb weapon Optics Ammo 1500m Range 250gr projectile1111.05.2007SMALL CALIBER DIVISION111
.338 Lapua Magnum Growing “Family”Weapons:Countries:Accuracy Int’l AWSM/AWP (UK)SAKO TRG -42 (Finland)Timberwolf PGW (Canada)Remington M24A3SIG Blaser LRS2 (Switzerland)Many OthersAmmunition:LapuaNormaRUAGBlack IrelandNetherlandsNorwaySingaporeSwitzerlandUnited States1211.05.2007SMALL CALIBER DIVISION112
Special Thanks to: Ed Dillon at Nostalgia Enterprises Company– High accuracy chronographs Jim and Jay Bell at MAST Technologies Janne Pohjoispää & Nammo Lapua Oy staff1311.05.2007SMALL CALIBER DIVISION113
Late 1980’s Accuracy International developed a .338 Weapon – Malcolm Cooper (AI) represented Lapua in Britain – Developed the Arctic Warfare weapon in 7.62mm and .300 Win Mag – Migrated the AW to .338 Lapua Magnum become the first production SAKO had provided test barrels to Lapua, followed – Fields the TRG-41 in .338 Lapua magnum
.338 Lapua Magnum 30-31.308 WinchesterRimfire Ammunition 32-33 Tactical Bullets 34-35 HUNTING Lapua Club, Lapua Shooters 36-43 Naturalis Cartridges and Bullets Lapua .22 LR Test Centers 36-41 Hunter Story 42 MegaCenterfire Ammunition 43 CARTRIDGE DATAof who we are and our company culture. 44-47 COMPONENT DATA 48
338 Lapua Magnum Powder Minimum Maximum Charge (grains) Velocity (fps) Charge (grains) Velocity (fps) IMR 7828SSC 74.1 2499 82.3 2734 H1000 78.2 2551 86.9 2772 Retumbo 81.4 2597 90.5C 2821 Magnum 83.9 2567 93.2 2814
.338 Lapua Magnum 3 program was later cancelled when the contractors were unable to make the cartridge meet the project's velocity target 16.2 gram at 914 m/s (250 gr at 3000 ft/s), due to weak brass cases.
Available in Long Action and Short Action with your pick of Small, Standard, PPC, Magnum, and .338 Lapua Mag. bolt faces.Small, Standard, and PPC bolt face comes with Tubb 2000 Extractor. Magnum and .338 Lapua Mag. bolt faces come with Tubb A-Style Extractor (large size).Left-handed model available in short-action, standard (.473) bolt face.
.338 Lapua Mag loaded with 250 or 300 grain SMK or Scenar bullets. The only option for the .338 Lapua Magnum to retain more velocity at 1500 meters than the 230 OTM is to choose the 338 caliber 300 grain Hybrid bullet. It's important to keep in mind that the performance represented by the 30 caliber 230 grain OTM is the optimal
Magnum and Magnum DS Breakers. Throughout this Instructional Leaflet, the use of the term “Magnum Breakers” refers to both the Magnum and Magnum DS low-voltage, AC power circuit breakers. The Magnum Digitrip line of trip units
Magnum and Magnum DS Breakers. Throughout this Instructional Leaflet, the use of the term “Magnum Breakers” refers to both the Magnum and Magnum DS low-voltage, ac power circuit breakers. The Magnum Digitrip line of trip units consists of the 220, 520, and 520M for UL stan
accounting and bookkeeping principles, practices, concepts and methods featured in the unit and there was good evidence of preparation and practice with regard to structure, format and presentation of accounting data and information among the sound financial statements, double-entry bookkeeping and cash budgets submitted. That said, this is not a unit solely of numbers or arithmetic and there .
