Posted: 8/8/2008 8:08:26 PM EDT
| any difference between the one of two shipped with my upper and a standard a2 spring? |
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If using a rifle extension, try it with your regualr rifle spring first. If you have issues, try it with the longer/heavier spring sent with your RRA. We only did that to help eliminate some cycling issues as there are loads for .458 SOCOM from 250-600+ grs. Not all will function with standard springs (or even with the heavier one included) but it will allow a larger range of loads without having to mess with gas ports, etc... Steve/RRA |