Echo 1 M4 CQB End Cap with Sling Swivel

Echo 1 M4 CQB End Cap with Sling Swivel

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  • $33.00
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The Echo 1 M4 CQB End Cap with Sling Swivel is evocative, to say the least, but that's why you're drawn to it in the first place.

Inventory Last Updated: Oct 17, 2026