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Posted: 3/6/2002 8:24:22 AM EDT
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HAVE ANY OF YOU GUYS TRIED THE D-FENDER O RING USED TO INCREASE THE STRENGTH OF THE EXRACTOR IN THE AR-15? IF SO, WHAT HAS BEEN YOUR RESULTS? TNX, GARY |
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At first, I used silicone O-rings, which take heat better than the black O-rings... The silicone O-rings won't dry-out, or swell-up from solvents either... My silicone O-rings are from a hobby shop...They are used in shock absorbers on 1/8th scale RC cars... They are even blue like the D-fender... My latest fix on my short barrel gun is an extra-power extractor spring, an extra-power recoil spring, and a heavy steel buffer... Wit the heavy extractor spring, I needed no other aid with it, no O-ring, or rubber insert...It works fine all by itself, is quite stiff, and you'll have trouble getting the extractor pin in too... The springs are from: Wolff gunsprings...Try: www.gunsprings.com I highly recommend them, they have online ordering, and ship right away...I had my stuff in only 2-3 days... I use this combination in my 7-1/2" barrel Carbon-15 pistol, and it made a HUGE difference in the way the gun shoots and cycles... I replaced the pistol buffer tube with the tube (only) from a CAR stock.(only 2" longer) I can't use the stock with the tube, otherwise I'd be making a SBR.... Hope that helps... |
Agreed on Wolf springs. I've got a 11.5" SBR. I've used a D-FENDER and a heavy buffer since day one (which was way before the M4 and the black extractor spring insert) and never had any problems. However, lately I've started having failures to eject, 1 out of every 100 rounds or so. Things must be wearing in after several thousand rounds  So I just got an extra power Wolf buffer spring the other week and it fixed the problem right away.
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