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AK Cylinder head
NUP-10-05
AUG Cylinder Head
NUP-10-03
M14 Cylinder Head
NUP-10-01
M4 Cylinder head
NUP-10-04
M4 Next Gen Cylinder Head
NUP-10-02
Modify AOE Cylinder Head & Piston ( w/ 10 Metal Teeth)
MOD-GB-04-31
Modify Alu Cylinder Head - TM AUG/G36C AEG
MOD-GB-04-14
Modify Alu Cylinder Head - TM Series V2 (M16/M4/MP5/G3)
MOD-GB-04-12
Modify Alu Cylinder Head - TM Series V3 (AK/MP5K/SIG)
MOD-GB-04-13
