» 6.01mm 7075 Tight Bore
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Ultimate 229mm Tight Bore 6.01mm Barrel - MP5 / AK Beta
Model#: UT229 -
Ultimate 247mm Tight Bore 6.01mm Barrel - G36C / SIG552
Model#: UT247 -
Ultimate 300mm Tight Bore 6.01mm Barrel
Model#: UT300 -
Ultimate 363mm Tight Bore 6.01mm Barrel - M4/SR16/SG551
Model#: UT363
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Ultimate 455mm Tight Bore 6.01mm Barrel - AK47
Model#: UT455 -
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Ultimate 590mm Tight Bore 6.01mm Barrel - PSG-1 Plus
Model#: UT590 -
Ultimate 509mm Tight Bore 6.01mm Barrel - PSG-1
Model#: UT650
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Ultimate 455mm Tight Bore 6.01mm Barrel - Echo1 Sniper Rifle ASR
Model#: UT455 ASR