Aluminum Reinforced Outer Barrel w/ Steel Chamber Block 14.5
KA-OB-01
14.5 inches Aluminum Reinforced Outer Barrel with Steel Chamber Block for M4 series.
Aluminum Reinforced Outer Barrel w/ Steel Chamber Block 10.5
KA-OB-02
10.5 inches Aluminum Reinforced Outer Barrel with Steel Chamber Block for M4 series.
Aluminum Reinforced Outer Barrel w/ Steel Chamber Block 11.5
KA-OB-03
11.5 inches Aluminum Reinforced Outer Barrel with Steel Chamber Block for M4 series.
Aluminum Reinforced Outer Barrel w/ Steel Chamber Block 16.0
KA-OB-04
16 inches Aluminum Reinforced Outer Barrel with Steel Chamber Block for M4 series.
Aluminum Reinforced Outer Barrel w/ Steel Chamber Block 20
KA-OB-05
20 inches Aluminum Reinforced Outer Barrel with Steel Chamber Block for M4 series.
M14 Outer Barrel (Shorty)
KA-OB-06
16.25 inches Aluminum Reinforced Outer Barrel for M14.
PS90 Outer Barrel for P90
KA-OB-07
8.2 inches Aluminum Reinforced Outer Barrel for P90.
Steel Outer Barrel for KRISS Vector
KA-OB-09