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Hybrid 6.03mm Precision Inner Barrel 550mm for M16A1+/A2+/ VN+/AUG+

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 509mm for M16A1/A2/VN/AUG/M249

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 500mm for TM M14

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 469mm for G3-A3/A4/SG1

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 455mm for AK47/AK47S

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 407mm for M4A1/R.I.S/SR16, SIG551

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 363mm for M4A1/R.I.S./SR16, XM177E2, SIG551

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 315mm

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 300mm for G36K, M1A1, M733, MC51+

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 285mm for M4 CQB-R, MC51

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 247mm for CAR15, P90, G36C, SIG552

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.

Hybrid 6.03mm Precision Inner Barrel 229mm for MP5

1st Class Stainless Steel + Aircraft Aluminum Alloy.
Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration.
Comes with a Modify 2-Ring+ Hop-Up Bucking, Airtight up.