Magnum Research 429 DE Mark XIX Pistol Now Shipping

by
posted on November 21, 2018
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
429de.jpg

Magnum Research, which recently announced the new 429 DE cartridge, has announced it is now shipping the Mark XIX pistol and accessories chambered in the new round.

The 429 DE pistol (DE429SRMB) features a stainless steel slide, a stainless steel frame with Picatinny bottom rail, and a 6" stainless steel barrel with integral muzzle brake and black appointments. The pistol ships with a .50AE 7-round magazine and has an MSRP of $2,143.

The 429 DE Mark XIX spare barrels with Picatinny style accessory rails are available in a variety of finishes. The barrels are 6" and are compatible with any MK19 USA or Israel Desert Eagle Pistol with a wide .830” rail on top of the barrel and uses a 50AE magazine and bolt. Barrels will be available in:

Carbon steel with Black finish, MSRP $425 (BAR4296)
Carbon steel with Burnt Bronze Cerakote, MSRP $482 (BAR4296BB)
Carbon steel with Brushed Chrome finish, MSRP $529 (BAR4296BC)
Carbon steel with Polished Chrome finish, MSRP $529 (BAR4296PC)
Stainless steel with integral muzzle brake, MSRP $482 (BAR4296SRMB)

To round out the new 429 DE product lineup, Magnum Research is offering 429 DE ammunition in 20-round boxes:

240-gr. soft point (DEP429DE240JSP) MSRP $42,
210-gr. hollow point (DEP429DE210JHP) MSRP $42

Magnum Research, Inc is the sole supplier of the 429 DE ammunition at this time.

Based on the 50 AE cartridge, the 429 DE is made with Starline brass, loaded by HSM in Montana with Sierra bullets and distributed by Magnum Research, Inc. This cartridge has a 25 percent velocity increase and 45 percent energy increase over a 44 Mag (240 -- 6" barrel). It has a velocity of 1600 fps with 240-gr. bullets and 1750 fps with 210-gr. bullets. The 429 DE features 30 degree shoulder headspaces and a neck long enough to properly hold and crimp a 240 grain bullet without set back under recoil.

Additional Reading:
A First Look at 2019's New Guns  

Latest

1 9Th ID Urft River 2 45
1 9Th ID Urft River 2 45

U.S. Troops Using Captured Small Arms in World War II

American troops took a healthy interest in Axis small arms during World War II. Sometimes they were simply looking to collect a war trophy. On other occasions, GIs and Marines looked to use those firearms against their former owners.

Standing Guard | The Midterms and Freedom

Politics is something most of us only step into because we must. We’d rather smile in the warm autumn sun as we help a son or daughter, or grandson or granddaughter, break their first clay or plink steel with their first .22 rifle.

America’s Retaliation for the Lives Taken by Iraqi Sniper “Juba”

The killing of the Iraqi insurgent sniper known as "Juba" was a collective effort by thousands of Marines, culminating in one single shot.

Why This DOJ Opinion on Handgun Ownership Matters

The DOJ Office of Legal Counsel recently released an opinion concluding that the federal ban on licensed firearms dealers selling handguns to 18-20-year-old U.S. citizens is unconstitutional.

I Have This Old Gun: Czech vz.27

Following World War I, Czechoslovakia needed to equip its new army, and one of its priorities was to select a service sidearm, which ultimately became the vz.27.

Rimfire M1 Refined: The Chiappa Bushranger

Italian manufacturer Chiappa is not afraid to take an original design and give it a modern twist. New for 2026, the company is taking its rimfire M1 carbine design one step further with the Bushranger.

Interests



Get the best of American Rifleman delivered to your inbox.