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Will these fit in an ar-10 magazine? — 2 Answers

by Elk8, from CO, United States Asked on April 12, 2021

Name Nosler .308 Winchester 150 Grain E-Tip Lead-Free Brass Cased Centerfire Rifle Ammunition (5)
$68.99 $67.49 Save $1.50
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A
Answered by Brandon B, Gear Expert, from IL, United States, on August 19, 2021

No it will not.

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A
Answered by LensWork, member, from FL, United States, on September 02, 2021

Nosler does not specify the cartridge overall length (COL), however the SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) design specifications for the .308 Winchester COL=2.800”, which should fit in AR10/SR25 type magazines. MagPul does offer a 25 round capacity magazine designed for the military M118 LR (LR=Long Range) round — 7.62x51mm loaded with a Sierra MatchKing 175 gr. HPBT — designed for sniper rifles, that has a COL of 2.830”. This Nosler ammunition will most certainly fit in the MagPul PMAG® 25 M118 LR/SR GEN M3™ Window, part # MAG577.

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Last updated 2026-03-09 UTC.