ARMASPEC AR Parts Buffer Retainer SS w/Spring ARM139-SS UPC 810048491186 - Armaspec AR-15 Buffer Retainer Spring Stainless Steel Captured ARM139-SS

Armaspec ARM139-SS buffer retainer stainless stronghold, Armaspec ARM139-SS AR Buffer Detent Spring SS. Captured design, corrosion crush, reliable—AR armor, lower upgrade.

ARM139-SS: Buffer Retainer

Retainer rock. Spring sentinel.

Part Specs

• Model: ARM139-SS Buffer Retainer.
• Material: 17-4 Stainless Steel.
• Include: Spring Captured.
• Fit: AR-15/M4/M16 Lowers.
• UPC: 810048491186.

Stainless Superiority

• Design: One-Piece Captured.
• Strength: 2x Mil-Spec.
• Install: Drop-In Simple.
• Corrosion: Zero Rust.
• Life: Lifetime Guarantee.

Buffer Boss Backup

Detent durability.

Armaspec AR Advance

"ARM139-SS Retainer—AR eternal!" – Builder Pro

SS: "Steel shine, spring sure. Armaspec ace!" Retainer refined.

SEO Armaspec AR Buffer Retainer

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Armaspec ARM139-SS SS vs Mil-Spec Steel

Retainer realm Armaspec ARM139-SS—AR stainless buffer supremacy!

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