This o-ring parts kit allows you to service the side air line system for various Milsig Air Stocks. This include: the Air-Thru Stock, 90G CO2 Stock or 13CI HPA Stock. The kit includes rubber and teflon o-rings and hose pins.
Milsig Part # UMK-001
We do not provide post-order Milsig technical or warranty support. For post-order support, you must contact Milsig directly at 1-877-764-5744.
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