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.458 SOCOM Upper Receivers, Magazines & BCGs

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If you want to upgrade your AR to shoot with more power, browse our .458 SOCOM parts. The .458 SOCOM round was developed by a special operations task force to address the issue of typical 5.56 rounds not producing enough power for neutralizing enemy forces. Because .458 SOCOM ammo is larger and more rounded, you need the right parts for this ammo to fire properly. You need to start with a modified upper receiver, we sell stripped .458 SOCOM upper receivers from Aero Precision. Founded in 1995, this company is known for its superior machining and engineering abilities. The Aero Precision .458 SOCOM stripped upper receiver has laser-engraved T marks, M4 feed ramps and .458 SOCOM markings. It is made from 4045 T6 aluminum and does not come with a forward assist or with a port door.

We also sell .458 SOCOM bolt carrier groups from Toolcraft, a company that’s known for its top-of-the-line BCGs. Its sturdy design helps it function properly with heavy force, and it comes with a lifetime warranty. This .458 SOCOM BCG features a black nitride finish and is made from 9310 enhanced steel while the carrier is constructed from 8620 steel. Toolcraft analyzes its .458 SOCOM bolt carriers carefully with magnetic particle inspections before selling them.

Shop our selection of .458 SOCOM parts today and save. Be sure to contact us with questions!