Cross Machine Tool Co., Inc. Ar-15/M16 458 Socom Billet Upper Receiver


Enlarged Ejection Port Accommodates .458 SOCOM

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SKU: 2175201824376370 Categories: ,


Stripped billet upper drops onto standard lower and features expanded ejection port that accommodates .458 SOCOM and other big-bore AR-15 calibers. Integral Picatinny rail provides mounting space, and slick-side design does not require forward assist or ejection port cover, simplifying the build. Has M4 feed ramps, and accepts standard bolt carrier, charging handle and barrel nut, sold separately. Mfg: Cross Machine Tool Co., Inc. SPECS: T6 7075 billet aluminum, hardcoat anodized, matte black finish.

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