你知道什么是SIS么？ - 知乎 SIS 的可靠性通过 SIL（Safety Integrity Level，安全完整性等级） 划分，分为 SIL 1 至 SIL 4 四个等级（SIL 4 最高）。等级越高，系统的安全性能越强，发生故障的概率越低。 SIL 等级由 “风险分析” 确定：根据生产过程的危险程度（如介质毒性、爆炸风险）、事故后果（人员伤亡、环境破坏、经济损失
Sis missouri gun laws - Firearms Talk Got the bad new today denied on ccw permit it showed my felony conviction,but it was a sis, i dont have a conviction on my record ,but fbi can open sis and sealed records I purchases a firearm and past a ncic check with flying colors Why cant i get a ccw permit in missouri ??? Atf agent said
Remington Model 6 rebuild - Firearms Talk I mentioned this in "What gun are you working on" but wanted to give it its own thread I bought a Remington model 6 bare receiver a while back I made all the screws (single pointed them on my lathe), made a tap to thread the take-down screw hole, made all the flat springs, milled the barrel
bryco 38 . 380 - Firearms Talk Bryco, Jennings and Jimenez are all the same gun I own a J-22 I have owned 2 of them I have also owed the 380 and the 9mm My problems were little things like plastic indicators to tell that the firing pin is cocked or the chamber is loaded The little plastic parts would go flying at the range I traded them in on better guns as I started to make better money If someone has the money to
unknown rifle | Firearms Talk Saw an old military bolt action rifle today that had "FAT 92" stamped on the bolt cover underneath a crown The tag said "unknown" with a price of $149 What is it?