Modify Hybrid 6.01mm Precision Inner Barrel 363 mm for M4A1

Modify Hybrid 6.01mm Precision Inner Barrel 363 mm for M4A1 View larger
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- Hybrid Stainless Steel + Aluminum Construction - 6.01mm Inner Diameter - O-Ring guidance to reduce barrel vibration - 3 Grooves and 2 O-Rings for outer diameter adjustments from 8.6mm to 9.2mm to fit different outer barrels - Proprietary...
- Hybrid Stainless Steel + Aluminum Construction - 6.01mm Inner Diameter - O-Ring guidance to reduce barrel vibration - 3 Grooves and 2 O-Rings for outer diameter adjustments from 8.6mm to 9.2mm to fit different outer barrels - Proprietary 3-Ring Chamber Packing for better air seal
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MDF001

- Hybrid Stainless Steel + Aluminum Construction
- 6.01mm Inner Diameter
- O-Ring guidance to reduce barrel vibration
- 3 Grooves and 2 O-Rings for outer diameter adjustments from 8.6mm to 9.2mm to fit different outer barrels
- Proprietary 3-Ring Chamber Packing for better air seal