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Guides

Step-by-Step AR-15 Drop-In Quad Rail Installation

Posted by Monstrum on Jan 30th 2019

Step-by-Step AR-15 Drop-In Quad Rail Installation
Warning: Always check and make sure the firearm is unloaded before attempting any modifications Recommended tools: Handguard Removal tool Hex Key (included in every Monstrum Tactical AR-15 Drop-In Quad Rail Handguard package) 1. Remove the stock plastic handguard using the handguard removal tool by applying downward pressure to the delta ring. The delta ring is spring loaded and should compress downward, allowing for re...
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Step-by-Step AR-15 Free Float Quad Rail Install Guide

Posted by Monstrum on Jan 30th 2019

Step-by-Step AR-15 Free Float Quad Rail Install Guide
Why install a free float handguard? One of the main benefits to free-floating an AR-15 is an increase in accuracy from reduced variability in the barrel harmonics due to sling tension. The traditional AR-15 configuration has the sling mount attachment at the base of the front sight gas block, so moderate changes in sling tension can change the point of impact downrange. A direct impingement AR-15 can never be truly “free-floated” due to the...
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AR-15 Quad Rail Buyer's Guide: Drop-In or Free Float?

Posted by Monstrum on Jan 30th 2019

AR-15 Quad Rail Buyer's Guide: Drop-In or Free Float?
2 Piece Drop-In vs Free Float? Quad rail handguards generally come in one of two form factors: 2 Piece Drop-In or Free Float. The decision to buy one or the other depends on 1) how much effort you want to put into installing the quad rail and 2) how ultra precise you want your rifle to be. A 2 Piece Drop-In Quad Rail, as the name implies, comes in two pieces and screws together into place between the AR-15 receiver and front sight/gas...
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