Sig Sauer P228 P229 Locking Block Insert Magazine Safety Assembly DLC, SIG-1201058-B

Maintain factory‑correct function and durability with the Sig Sauer OEM Locking Block Insert with Magazine Safety Assembly, designed for P228 and P229 9mm pistols. This complete assembly is finished in Diamond‑Like Carbon (DLC) for superior wear resistance, corrosion protection, and long service life under hard use. As a critical structural and safety component, this locking block insert ensures proper slide and barrel lockup while integrating the magazine safety mechanism for compliant operation. Ideal for repairs, rebuilds, or factory‑correct upgrades, this is the right part when reliability and OEM performance matter. Get yours at NDZ Performance today!

Features:

• Genuine Sig Sauer OEM locking block insert assembly.
• Compatible with Sig Sauer P228 & P229 9mm pistols.
• Integrated magazine safety assembly for compliant function.
• DLC (Diamond‑Like Carbon) finish for enhanced durability and corrosion resistance.
• Maintains proper slide lockup and frame integrity.
• Factory‑spec, drop‑in replacement, no fitting required.
• Ideal for repairs, rebuilds, or preventative maintenance.

See our complete line of Sig P229 Products here

Note: NDZ always recommends any part be installed by a qualified and trained gunsmith. NDZ promotes the use or safety practices and gear when working on any firearm.