FEATURES:

• Single-stage captured drop-in replacement for your standard buffer and spring
• Reduce felt recoil
• Keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth and quiet operation
• Adjustable spring weight? (*Main spring can be trimmed at .25 lbs per coil to reduce tension up to a max of 12 coils)
• Made in the U.S.A.
• Lifetime Warranty

SPECIFICATIONS:

• Actual Weight (Complete System):
  • Carbine: 4.41 oz.
  • Heavy: 4.91 oz.
  • H2: 5.81 oz.
  • H3: 6.71 oz.
  • 9MM: 9.88 oz.
• Equivalent Weight:
  • Carbine: 3.3 oz.
  • Heavy: 3.8 oz.
  • H2: 4.7 oz.
  • H3: 5.6 oz.
  • 9MM: 6.9 oz.

COMPATIBILITY:

• AR-15

INCLUDES:

• 1x Polymer Base Guide Rod
• 1x Spring
• 1x Buffer

AR10 version is available, please find under AR10 parts.

9mm Bolt Carriers ONLY: For proper function of the SMB-9 in your 9mm rifle or pistol, the extra weight on the back of the bolt carrier needs to be removed. It is held in with a spring pin. Will only work with BCGs that have the extra weight inside and removing it will not shorten the BCG.