Gas Blocks

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  • Sentry 6 Set Screw Adjustable Gas Block- .450"
    Sentry .625" Set Screw Version .450" Set Screw Spacing - Melonite Finish Gen 4 1.3oz US PATENT NO. 9,410,756 Note- If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw spacing blocks will work fine. There is no difference in the b..
    $119.99
  • Sentry 7 Clamp On Adjustable Gas Block
    Sentry .750" Clamp On Version - Melonite QPQ Finish Gen-4 1.3oz US PATENT NO. 9,410,756 -- 100% Gas seal allows full cut off and prevents gas from fouling metering screw - Complete disassembly is simple and take less than 10 seconds - Metering screw and screw bore design al..
    $119.99
    Based on 7 reviews.
  • Sentry 7 Set Screw Adjustable Gas Block
      Sentry .750" Set Screw Version - Melonite QPQ Finish .400" Set Screw Spacing   Gen-4 1.3oz US PATENT NO. 9,410,756 Note- If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw spacing blocks will work fine. T..
    $119.99
    Based on 5 reviews.
  • Sentry 7 Set Screw Adjustable Gas Block - .450"
    Sentry .750" Set Screw Version .450" Set Screw Spacing - Melonite QPQ Finish ALSO AVAILABLE IN TITANIUM (Listed with the Ti blocks) Gen-4 1.3oz US PATENT NO. 9,410,756 Note- If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw..
    $119.99
    Based on 1 reviews.
  • Sentry 8 Clamp On Adjustable Gas Block
    Sentry .875"  Clamp On Version - Melonite Finish Gen 4 US PATENT NO. 9,410,756 - 100% Gas seal allows full cut off and prevents gas from fouling metering screw - Complete disassembly is simple and take less than 10 seconds - Metering screw and screw bore design allows repeat..
    $119.99
    Based on 1 reviews.
  • Sentry 9 Clamp On Adjustable Gas Block
    Sentry .936"  Clamp On Version - Melonite QPQ Finish Gen-4 US PATENT NO. 9,410,756 - 100% Gas seal allows full cut off and prevents gas from fouling metering screw - Complete disassembly is simple and take less than 10 seconds - Metering screw and screw bore design allows re..
    $119.99
    Based on 2 reviews.
  • Sentry 9 Set Screw Adjustable Gas Block
    Sentry .936" Set Screw Version - Melonite QPQ Finish .400" Set Screw Spacing Gen-4 US PATENT NO. 9,410,756 -- 100% Gas seal allows full cut off and prevents gas from fouling metering screw - Complete disassembly is simple and take less than 10 seconds - Metering screw and s..
    $119.99
    Based on 3 reviews.
  • GB6 Micro Gas Block
        GB-6 Micro Gas Block .625 41 grams .400" Set screw Spacing Super High Quality gas blocks 4140 Billet Steel Melonite QPQ Finish Set screws and roll pin included   ..
    $35.99
  • GB6 Micro Gas Block - .450" Spacing
      GB6 Micro Gas Block .625 - .450" Spacing 41 grams .450" Set screw Spacing Super High Quality gas blocks 4140 Billet Steel Melonite QPQ Finish Set screws and roll pin included   ..
    $35.99
  • GB7 Micro Gas Block - .450" Set Screw Spacing
        GB-7 Micro Gas Block .750 - .450" Set Screw Spacing Super High Quality gas blocks 4140 Billet Steel Melonite QPQ Finish Set screws and roll pin included   ..
    $35.99
    Based on 2 reviews.
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