Milsig/Grizen Parts

These are replacement parts and maintenance items for Milsig/Grizen markers manufactured by Milsig and/or Grizen industries and distributed by Magfed Maker.
Milsig SOS Oil for HC (50mL)
Milsig SOS Oil for HC (50mL)
Newly formulated and in a larger bottle, this is the manufactu...
$11.99
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Milsig HEAT CORE Valve Stem O-Ring Pack (Pack of 3)
Milsig HEAT CORE Valve Stem O-Ring Pack (Pack of 3)
Replacement Valve Stem O-Ring for HeatCore™ All generations.
$9.99
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Milsig HCS (Hybrid Collapsible Stock) O-Ring Set
Milsig HCS (Hybrid Collapsible Stock) O-Ring Set
Replacement o-ring for HCS rotating fitting. Package includes ...
$4.99
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Milsig "PRV" Pressue Release Valve - Complete Assembly
Milsig "PRV" Pressue Release Valve - Complete Assembly
Replacement Pressure Release Valve for all versions of HeatCor...
$11.99
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Milsig M17 Valve Seat (PKG of 3)
Milsig M17 Valve Seat (PKG of 3)
Replacement Valve Seat for all HeatCore models
$7.99
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