Product Features & Specifications

HM Defense HM15F556 Guardian F5 5.56x45mm NATO 16" 30+1 Black Nitride Black Mil-Spec HM Stock Black Polymer Grip Right Hand

The Guardian F5 rifle features an all HM match grade defense barrel. It also features a custom HM Defense 10 3/8 inch, free float 1913 Picatinny rail that is compatible with the Magpul M-Lock mounting system.

Some other components of the rifle include an M16 bolt carrier group with patented HMB bolt and mil-spec components, including the trigger & fire control group, charging handle and buffer tube/spring. Also a custom trigger guard, CNC machined muzzle brake, and steel gas block.

Brand	HM Defense
Series	F5
Model	Guardian
Caliber	5.56x45mm NATO
Barrel Length Range	16" to 16.99"
Gun Platform	AR-Style
Operating System	Direct Impingement
Stock Finish Group	Black
Capacity	30+1
Stock Material	Synthetic
Action	Semi-Auto
Hand	Right Hand
Sights	Optic Ready
Barrel Finish	Black Nitride
Muzzle	Muzzle Brake
Twist	1:7"
Magazine Type	OEM
Grips	Black Polymer
Rails	Picatinny
Handguards	10.37" M-LOK Free-Float
Includes	30-Rd Magazine
Receiver Material	7075-T6 Aluminum
Stock Description	Mil-Spec HM
Barrel Description	Chromoly Steel
Barrel Length	16"
Max Capacity	30
Receiver Finish	Black Anodized
Trigger	Mil-Spec
Stock Finish	Black
SKU	132825
UPC	854164007067
MPN	HM15F556