Lapua Scenar Ammunition 338 Lapua Magnum 250 Grain Hollow Point Boat 500 Rounds


338 Lapua Magnum
Grain Weight
250 Grains
500 Round
Muzzle Velocity
2970 Feet Per Second
Muzzle Energy
4896 Foot Pounds
Bullet Style
Jacketed Hollow Point
Bullet Brand And Model
Lapua Scenar
Lead Free
Case Type
G1 Ballistic Coefficient
Test Barrel Length
27 Inches
Velocity Rating

SKU: 194679 Categories: , , Tags: , , Product ID: 3458


Product Overview

The 338 Lapua ammunition is world renowned for accuracy and performance, making use of high quality components and adhering to the strictest of tolerances. Designed for long range and bench rest shooting, Scenar bullets were used to set a world record perfect score in the 300 meter Moscow championship match. Factory testing has resulted in 10-shot groups that averaged 50mm at 300 meters. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.

 WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.
You must be 21 years or older to order ammunition. Ammunition must ship UPS ground. Due to safety considerations and legal/regulatory reasons, Ammunition may not be returned. Please check local laws before ordering. By ordering this Ammunition, you certify you are of legal age and satisfy all federal, state and local legal/regulatory requirements to purchase this Ammunition.

Cartridge dimensions Of the 338 LAPUA

Extremely thick-walled brass results in a 7.40 ml (114 grains H2O) cartridge case capacity for the .338 Lapua Magnum. The exterior shape of the case was designed to promote reliable feeding and extraction in bolt actionsemi-automatic, and automatic firearms alike, under extreme conditions.


.338 Lapua Magnum.svg

.338 Lapua Magnum maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm).

Americans would define the shoulder angle at alpha/2 ≈ 20 degrees. The common rifling twist rate for this cartridge is 254 mm (1 in 10 in), 6 grooves, Ø lands = 8.38 mm, Ø grooves = 8.58 mm, land width = 2.79 mm and the primer type is large rifle magnum.

According to the official C.I.P. (Commission Internationale Permanente pour l’Epreuve des Armes à Feu Portatives) decisions and tables edition 2007 the .338 Lapua Magnum case can handle up to 420.00 MPa (60,916 psi) Pmax piezo pressure. This now prevails over the C.I.P. decisions and tables edition 2003, that rated the .338 Lapua Magnum at 470.00 MPa (68,168 psi) Pmax maximum piezo pressur.] The 470.00 MPa (68,168 psi) Pmax maximum piezo pressure C.I.P. ruling for the .300 Lapua Magnum cartridge, which is based on the same case, was at the time not accordingly changed. In C.I.P. regulated countries every rifle cartridge combo has to be proofed at 125% of the prevailing maximum C.I.P. pressure to certify for sale to consumers. This means that .338 Lapua Magnum chambered arms in C.I.P. regulated countries are currently (2013) proof tested at 525.00 MPa (76,145 psi) PE piezo pressure.

Lapua has been ambivalent on the maximum piezo pressure of this cartridge. In the article ‘From an American dream to a Finnish success story’[67] by Janne Pohjoispää Lapua propagates the C.I.P. 2007 ruling of 420.00 MPa (60,916 psi) maximum piezo pressure. To further complicate matters the mentioned 56,000 CUP C.I.P. copper crusher pressure in this article would translate in ≈ 447.50 MPa (64,904 psi) C.I.P. piezo pressure according to a study on the conversion from CUP to PSI for rifle cartridges by Denton Bramwell.[68] The C.I.P. 2003 ruling of 470.00 MPa (68,168 psi) piezo pressure is corroborated by Lapua Australia in the ‘History and development of the .338 Lapua Magnum’ article by Alan C. Paulson.[69] A reverse engineering simulation with QuickLOAD internal ballistic software predicted that Lapua load their factory .338 Lapua Magnum ammunition at ≈ 420.00 MPa (60,916 psi) piezo pressure as Alan C. Paulson asserts in his article.

The large boltface combined with the maximum pressure means that the .338 Lapua Magnum should only be chambered in rifles that are capable of handling such large high pressure cartridges and thus high bolt thrust safely. Chambering such powerful super magnum cartridges in rifles intended for normal magnum rifle cartridges and using high pressure loads can cause serious or fatal injury to the shooter and bystanders.

The American .338-378 Weatherby Magnum cartridge introduced in 1998 and the American .338 Remington Ultra Magnum (.338 RUM) cartridge introduced in 2000 are probably the closest ballistic twins of the .338 Lapua Magnum commercially available as of 2007. The .338-378 Weatherby Magnum is however a belted cartridge and the .338 Remington Ultra Magnum is a rebated rim cartridge.

The American SAAMI (Sporting Arms and Ammunition Manufacturers’ Institute) has no normal voluntary guidelines for the .338 Lapua Magnum. On 14 January 2013 it opted to use the metric C.I.P. rulings and add some dimensions that have no C.I.P. analog.




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