评论来自 1233867

The schematic for this item won't show up on the vendor until you've bought 结构图：真铁扳机

评论来自 klugdogg

Engineer BoE after blackrock rifling has been used on it ilvl 645 upgraded to ilvl 660

评论来自 wolf391

Currenty the tooltip displays wrong ILVL numbers. It is indeed used to upgrade an engineer's gun from 645 to 660 ILVL (Stage 3).

评论来自 Sanstor

I looked many places to find out if upgrades removed or destroyed enchantments or item enhancements. I took a chance on my Shrediron's shredder and found that this upgrade does not remove Oglethorpe's Missile Splitter. Pshew!

评论来自 Aspido

Can't seem to use it on my Stage 2 gun, I'm level 98. Could it be usable only at level 100, even if the tooltip say level 91?

评论来自 jjanchan

This is one of the upgrade items for the iLevel 630 epic guns that engineers can make and use.

*UPDATE for June 23, 2015* - 不稳定的黑石膛线 and 不稳定的精密瞄准具校对器 can no longer be crafted. Pre-patch 6.2 upgrade items (created before the patch) can be deconstructed to create the following:

Item	Deconstructs to:
不稳定的真铁扳机	真铁扳机 + 15 X 巫术之火
不稳定的黑石膛线	真铁扳机 + 25 X 巫术之气
不稳定的精密瞄准具校对器	真铁扳机 + 25 X 巫术之土

As of 6.2, the new initial upgrade item will be 真铁扳机 (used for any and all upgrades until Stage 4). The upgrade items required for each stage are listed below:
Stage 1 to 2 (Item level 630 to 645) - 真铁扳机
Stage 2 to 3 (Item level 645 to 660) - 真铁扳机
Stage 3 to 4 (Item level 660 to 675) - 真铁扳机
Stage 4 to 5 (Item level 675 to 690) - 高级枪口链轮
Stage 5 to 6 (Item level 690 to 705) - 塔拉迪特水晶撞针

**Note that 3 separate 真铁扳机 items are required to get from Stage 1 to Stage 4.**

Notes about the upgrade items:

The upgrade items themselves are BoE and can be traded or sold on the Auction House
They can be used by anyone (not just engineers)
Using an upgrade item on a gun will NOT bind it to you if it is not already bound to you
The upgrade item will NOT change the combination or proportion of stats on the item (e.g. if non-upgraded version has versatility and haste, the upgraded item will also have versatility and haste, just more of each stat)
These items can be used on gear that is already equipped
These upgrade items are exclusively crafted by Engineers - you cannot craft them as a non-Engineering, even with the Engineering works building in your garrison
The 狂野之血 used for upgrades to Stage 2, 3 and 4 are obtained from the Garrison Barn, crafted by alchemists as a daily cooldown, or purchased from “鉴定师”萨兹尔·黏指 (H)/阿什莉·泽勒普 (A) in your garrison for 25 原始之灵 each
The 邪能之灾 used for upgrades to Stage 5 and 6 are obtained from mining, herb gathering, skinning, or fishing in Tanaan Jungle

Item

Materials

Schematic

真铁扳机	70 X 弹簧齿轮 15 X 巫术之火 15 X 狂野之血	结构图：真铁扳机, sold in: - Warspear (尼克·钢环) - Stormshield (西恩·抓杆) - Vendor in Garrison Engineering Works building Cost: 5 德拉诺工程学秘术
高级枪口链轮	175 X 弹簧齿轮 30 X 巫术之土 30 X 邪能之灾	结构图：高级枪口链轮, sold by the Ore Trader visitor in your garrison - 阿莱克斯·海克曼 (A) or 翠克丝·伏特 (H). Note that you have a 1/5 chance of having a tradeskill vendor in your garrison every day, and there is a set rotation of tradeskill visitors from day to day (between herb, fur, leather, ore and dust). The easiest way to find this vendor is to use the Group Finder under Custom Premade Groups on the day that the Ore Trader is active. Cost: 60 真铁矿石
塔拉迪特水晶撞针	350 X 弹簧齿轮 60 X 巫术之土 60 X 邪能之灾	结构图：塔拉迪特水晶撞针, sold by the Ore Trader visitor in your garrison - 阿莱克斯·海克曼 (A) or 翠克丝·伏特 (H). Note that you have a 1/5 chance of having a tradeskill vendor in your garrison every day, and there is a set rotation of tradeskill visitors from day to day (between herb, fur, leather, ore and dust). The easiest way to find this vendor is to use the Group Finder under Custom Premade Groups on the day that the Ore Trader is active. Cost: 60 真铁矿石

This brings the total cost of upgrading the gun (from Stage 1 to 6) to:
735 X 弹簧齿轮 (Not including 100 X 弹簧齿轮 to craft the gun)
45 X 巫术之火
90 X 巫术之土
90 X 邪能之灾
45 X 狂野之血

Notes about the Engineering guns (碎铁的切割者):

They are BoE and can be sold on the Auction House or traded
They DO NOT require Engineering to use
They can be equipped at Level 91
The guns require 100 弹簧齿轮 to craft
The gun will be crafted with +93-139 each of two random secondary stats (chosen out of Critical Strike, Haste, Mastery, Versatility or Multistrike)
The secondary stats can be re-rolled (randomly reselected) using the consumable item 蒂迪的精致组件 (1 item required per re-roll)
The quantity of secondary stats when crafted is random as well (e.g. one item may have +133 crit and +104 haste, while another of the same type may have +130 crit and +110 haste)
The gun changes in appearance to be more elaborate as it is upgraded, with the addition of a scope, bayonet, and various golden scrollwork accents
The gun counts towards 1 of the 3 maximum Warlords of Draenor crafted items that you can have equipped at one time

3D查看链接

小知识

屏幕截图

视频

不稳定的黑石膛线

物品等级：44

需要等级 35
"这个膛线已变得极不稳定。"

最大叠加: 20

指南

Warlords of Draenor: Engineering Overview

不稳定的黑石膛线

指南

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