- 7075-T6 aluminum body, Type-III hard-anodized black
- Standard (non-ambidextrous) left-side GI latch
- Mil-spec profile, fits any standard AR-15 / M4 upper receiver
- Compatible with 5.56 NATO / .223 Rem chamberings (also fits .300 BLK uppers built on mil-spec)
- Drop-in install — no fitting or modification required
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