![The Big M4 Myth: 'Fouling caused by the direct impingement gas system makes the M4/M4A1 Carbine unreliable.' – DefenseReview.com (DR): An online tactical technology and military defense technology magazine with particular focus The Big M4 Myth: 'Fouling caused by the direct impingement gas system makes the M4/M4A1 Carbine unreliable.' – DefenseReview.com (DR): An online tactical technology and military defense technology magazine with particular focus](https://defensereview.com/wp-content/uploads/2010/03/Mike_Pannone_BCM_M4_Upper_Receiver_1.jpg)
The Big M4 Myth: 'Fouling caused by the direct impingement gas system makes the M4/M4A1 Carbine unreliable.' – DefenseReview.com (DR): An online tactical technology and military defense technology magazine with particular focus
![Sons of Liberty Gun Works, M4 89, Semi-automatic Rifle, AR, 223 Remington/556NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black - Firearms Depot Sons of Liberty Gun Works, M4 89, Semi-automatic Rifle, AR, 223 Remington/556NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black - Firearms Depot](https://cdn11.bigcommerce.com/s-7mtx86wogv/images/stencil/original/products/298720/683837/20220302_124439.1650848614322__56487.1660755610.jpg?c=1)
Sons of Liberty Gun Works, M4 89, Semi-automatic Rifle, AR, 223 Remington/556NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black - Firearms Depot
![Ruger AR-556, Multi-Purpose Rifle, TALO, Semi-automatic Rifle, 223 Remington/5.56NATO, 18″ Barrel, Cerakote Finish, Stormtrooper White, Rifle Length Gas System, MOE SL Collapsible Stock, Magpul MOE Grip, 15″ Free Floated M-LOK Aluminum Handguard, Ruger AR-556, Multi-Purpose Rifle, TALO, Semi-automatic Rifle, 223 Remington/5.56NATO, 18″ Barrel, Cerakote Finish, Stormtrooper White, Rifle Length Gas System, MOE SL Collapsible Stock, Magpul MOE Grip, 15″ Free Floated M-LOK Aluminum Handguard,](https://fflone.com/app/uploads/sites/4/2023/01/RUG08550_1-3.jpg)
Ruger AR-556, Multi-Purpose Rifle, TALO, Semi-automatic Rifle, 223 Remington/5.56NATO, 18″ Barrel, Cerakote Finish, Stormtrooper White, Rifle Length Gas System, MOE SL Collapsible Stock, Magpul MOE Grip, 15″ Free Floated M-LOK Aluminum Handguard,
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The G95K is a modified AR-15 type rifle with HK's reliable short stroke gas piston system. - European Security & Defence
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