• Choose option of carbine buffer spring above
• Proven to work over the course of ten years
• Originally developed because of bolt catch breakage
• Heaviest 9mm buffer on the market
• Recommended to be used with Wolff XP spring 
• Weight: 8.5 oz.

The Heavy Buffers 9mm-Q Buffer was originally made because of Colt bolt catches breaking repeatedly. This is the second heaviest 9mm buffer available and will help to resolve cycling problems and undue stress on parts. This is a very proven buffer that has been used by many for the last 10 years. By design this assembly does not have any moving parts or fluids that will leak.

For more info, visit Heavy Buffers