Description
Customize your ASG McMillan M40A3 SL (Ref. 18556) sniper rifle with our HUSH XL Barrel Extension Tube.
The adaptor (ref. 19531) converts the 21mm thread to 14mm thread allowing for the installation of the HUSH XL B.E.T (Ref. 17593)
Complete your McMillan sniper loadout with the M40A3 / HUSH XL, 21mm to 14mm thread adaptor.
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