Radical Firearms AR-15 M4 Mil-Spec Stock
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Radical Firearms
Overview
The Radical Firearms AR-15 M4 Mil-Spec Stock is a collapsible stock designed to provide a secure and adjustable fit for your AR-15 platform. Featuring a Mil-Spec tube specification, it ensures compatibility with a wide range of buffer tubes while allowing for quick length adjustments to accommodate different shooting styles or user preferences. This stock commonly appears in builds utilizing a carbine gas system and chambered in .223 Wylde, making it a practical choice for those looking to enhance their rifle's versatility.
Specifications
Available Merchants(1)
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Stock Alert
Build history on GunPartPicker
It was out of stock everywhere we track every time we checked in October 2026, and today the one retailer we track is out of stock. Listed prices start at $18.99 at Primary Arms for when it comes back.
Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Zro Delta AR-15 Fire Control Group Laser Cut Disconnector
BLEM PSA AR-15 Lower Safe/Fire
Luth-AR Ambi Safety Selector For AR15 Rifles, Black - LR-08B
WMD Guns M16 NIB-X® Bolt Carrier Group W/ Hammer
PSA AR15 Bolt Catch
Strike Industries Viper 25 deg Enhanced Pistol Grip for AR-15 and AR-10 Receiver Style Rifles, Black - ARVEPG25
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