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> Cobra Tactical Extra Heavy Buffer H2 for Carbine AR-15, M4 1001020
Cobra Tactical Extra Heavy Buffer Carbine for AR-15 M4 1001020
Cobra Tactical Extra Heavy Buffer H2 for Carbine AR-15, M4 1001020
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Cobra Tactical Extra Heavy Carbine Buffer H2 for AR-15, M4 1001020
Our Cobra-15 Carbine H-Buffer is 3-1/2" in length.
This is the H2 Extra Heavy Buffer. There are three basic weights. Other manufacturers such as Vltor also have other buffer weights.
Standard 3.0 oz (85g)
Heavy (H) 4.0 oz (110g)
Extra Heavy (H2) 4.8 oz (135g)
Carbine buffers should be used in carbine length buffer tubes (Lower Receiver Extension Tubes). The weight you will use will be partially dependent upon the barrel length, carrier weight, ammo type and barrel gas port diameter. If you are unsure of which one you need, the following may be of some help. In generally we find that barrels of 16 inches and longer work well with the standard weight carbine buffer. We also find that 14.5 barrels work best with the H2 buffers. Sometimes its a matter of trial and error. If your brass is kicked out between 1 and three o'clock you are probably running the correct buffer. If it is flying off past 3 o'clock you are likely over gassed. Using a heavier buffer will likely correct the issue. More importantly over gassed AR-15's can result in miss-feeds. This discussion is not intended to cover all factors relating to your AR-15. We do recommend that you consult with your local qualified gunsmith/Armorer. Cobra Tactical is an FFL-07 and would be happy to assist you in addressing any issues with your firearm.
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