PRE-TRIMMED GAS BUSHING

PRE-TRIMMED GAS BUSHINGS FOR THE GEN 4 & HARMONIC BARREL STABILIZER ADJUSTABLE GAS BLOCKS ONLY

• A MUST for the adjustable gas blocks that require a shorter gas Bushing.
• Stainless Steel.
• .250" Length for all Serial Numbers Starting with 580 Through 600 Mini 14 ONLY! PRE-TRIM 580/600 M14
• .270" Length for all Serial Numbers Starting with 181 Through 199 Mini 14 ONLY! PRE-TRIM 181/199 M14
• .250" Length for all Serial Numbers Starting with 185 Through 600 Mini 30 ONLY! PRE-TRIM 185/600 M30