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Thread: Guide for assorted rear BUIS
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24 June 2007, 13:44 #1
Guide for assorted rear BUIS
Weapon System: AR15/ M16
Manufacturer:
Atlantic Research Marketing Systems INC/ ARMS
Lewis Machine and Tool/ LMT
Precision Reflex Inc./ PRI
Troy Industries
Yankee Hill Machine/ YHM
GG&G
Midwest Industries
C4 Diopter HK Style Iron Sights
Knights Armament Co
www.magpul.com
Item Installed: Rear Back Up Iron Sight (BUIS)
Purpose of Item: Iron sights have been supplemented by a broad variety of optics, both electronic and magnified. However, any serious weapon needs to retain some form of Back Up Iron Sight (BUIS) in case of optic failure. Anyone who has had an optic failure in a real world event becomes semi-religious in their convictions, or at least I have.
Back Up Iron Sights come in two main styles. The first is the type that folds. This allows the end user to see over the unit, though it requires the user to deploy the BUIS in event of primary optic failure. The second type is a fixed rear sight. This style is obviously quicker to use if the primary optic fails, though it does tend to require a little more training to see "through" the fixed sight.
Tools Needed: A variety of fastening methods are used, tools needed may be an allen head wrench, a flat head screwdriver, or coin.
Items Included: Most BUIS will require a tool to install, this is usually a requirement that the installer/ owner will need to produce.Last edited by Stickman; 17 November 2008 at 18:41.