Smith & Wesson M&P .45 Locking Block - Factory OEM Part 394090000 10mm Auto Features: Front Scallops

Features: Front Scallops

Compatible J Frame Models (3" Barrel Only):

Smith & Wesson N Frame Model 629 Cylinder -

This listing is for the Smith & Wesson OEM Ejector Depressor Plunger

Smith & Wesson M&P .45 Locking Block - Factory OEM Part 394090000 10mm Auto Features: Front ScallopsSmith & Wesson M&P . 45 Locking Block Factory OEM Part Part Number: 394090000 Condition: Factory New Installation: Professional gunsmith installation recommended Product Overview Genuine Smith & Wesson factory locking block for M&P . 45 pistols. This critical OEM replacement part is manufactured to exact factory specifications for reliable performance and perfect fit. The locking block is essential for proper barrel lockup and safe firearm operation.