Gentex Active Shooter Operator's Manual - User Manual

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FOR LAW ENFORCEMENT AND SPECIAL OPS

Equipped with Ops-Core Multi-Hit Handgun Face Shield

ACTIVE SHOOTER

HELMET KIT

OPERATOR’S MANUAL

Featuring:

INTRODUCTION

COMPONENTS

SIZING GUIDE

LINER SETUP

CHINSTRAP OPERATION

FACE SHIEL OPERATION

FACE SHIELD INSTALLATION

ARC OPERATION

MAINTENANCE

OPERATOR NOTES

TABLE OF CONTENTS

ACTIVE SHOOTER HELMET KIT INCLUDES:

(1) Gentex TBH-IIIA Helmet Shell equipped with the Ops-Core Multi-Hit Handgun Face Shield, Ops-Core
Accessory Rail Connectors (ARCs), Ops-Core 360° Liner and 4-Point Head-Loc H-Nape Chinstrap

INTRODUCTION

Pre-Configured for Quick Use by
Law Enforcement Patrol & Special Operations Teams

The Gentex

Active Shooter Helmet Kit is a Tactical Ballistic Helmet (TBH) System, preconfigured with the

Ops-Core

Multi-Hit Handgun Face Shield, and ideal for law enforcement first responders and active shooter

situations. The base shell provides head protection against handgun, fragmentation, blunt force trauma, and
environmental threats, while the face shield protects the face from handgun threats. Additional stability,
and increased protection and comfort is added by the Ops-Core ACH 360° Liner Kit and 4-Point Head-Loc

™

H-Nape Chinstrap. The Gentex Active Shooter Helmet Kit is meant to be stored in law enforcement patrol
vehicles for immediate access in critical response situations.

Gentex TBH-IIIA

Helmet Shell

Ops-Core Multi-Hit

Handgun Face Shield

Ops-Core 4-Point Head-Loc

H-Nape Chinstrap

Ops-Core 360° Liner

Ops-Core Accessory Rail

Connectors (ARCs)

TBH HELMET SHELL

•

Low cut shell

•

Protection against handgun, fragmentation, blunt force trauma,
and environmental threats

OPS-CORE MULTI-HIT HANDGUN
FACE SHIELD

•

Defends against multiple impacts from handgun threats

•

Ballistic protective lens: 9mm 124gr FMJ @ 1,400 fps (427 m/s)
and 44 Cal Magnum 240gr SWCGC @ 1,400 fps (427 m/s)

OPS-CORE ACCESSORY RAIL
CONNECTORS (ARCS)

•

Durable, lightweight construction

•

Multiple non-snag attachment points

OPS-CORE 360° LINER

•

Maintains blunt impact protection

•

Designed not to retain water or sweat

OPS-CORE 4-POINT HEAD-LOC
H-NAPE CHINSRAP

•

Designed for improved stability

•

Custom webbing weave provides greater durability and ventilation

COMPONENTS

SIZING GUIDE

Determining Helmet Size

Helmet sizes are Small, Medium, Large, and X-Large. To determine size, you must (1) measure and record
the wearer’s head length, (2) measure and record the wearer’s head breadth, (3) measure and record the
wearer’s head circumference, and (4) select the proper helmet size based on the sizing charts provided.

TOOLS/EQUIPMENT NEEDED:

Caliper, Ruler, and Tape measure

MEASURE HEAD LENGTH

Use a caliper and a ruler to measure the distance (to
the nearest 1/16 inch) from the point between the
eyebrows to the back of the head. Ensure that the
caliper touches the skin lightly and does not indent the
skin. Record the measurement.

MEASURE HEAD BREADTH

Use a caliper and a ruler to measure the maximum
head width (to the nearest 1/16 inch) above the ears.
Ensure that the caliper touches the skin lightly and
does not indent the skin. Record the measurement.

Between

eyebrows

Back of

head

Caliper

Ruler

HEAD LENGTH

Caliper

Ruler

HEAD BREADTH

Tape measure

MEASURE HEAD CIRCUMFERENCE

Use a tape measure to determine the maximum head
circumference (to the nearest 1/16 inch) above the ears. Ensure
that the caliper touches the skin lightly and does not indent the
skin. Record the measurement.

SELECT HELMET SIZE

Referring to the tables below (for inches or millimeters), select
the helmet size based on head length, head breadth, and head
circumference.

INCHES:

Helmet Size

Head Length (in.)

Head Breadth (in.)

Head Circumference (in.)

Small (S)

Up to 7¼

Up to 6½

Up to 21¼

Medium (M)

7¼ to 7¾

6½

21¼ to 22½

Large (L)

7¾ to 8¼

6½

22½ to 23½

Extra Large (XL)

8¼ and greater

6½ and greater

23½ and greater

MILLIMETERS:

Helmet Size

Head Length (mm)

Head Breadth (mm) Head Circumference (mm)

Small (S)

Up to 184

Up to 165

Up to 539

Medium (M)

184 to 196

165

539 to 571

Large (L)

196 to 209

165

571 to 596

Extra Large (XL)

209 and greater

165 and greater

596 and greater

NOTE:

For best sizing, wear the helmet with all forms of equipment that will be used during an operation.

Include length of hair, balaclava, cold-weather gear, protective mask, and communication equipment. If unable
to obtain size with actual helmets, select largest size helmet based on any of the three measurements obtained
using a caliper and/or tape measure.

LINER SETUP

Ensure the helmet is properly adjusted for a snug, secure fit at all times when the helmet
is worn. Failure to do so can result in an unstable helmet that will not protect the wearer.

WARNING

PLACE THE HELMET ON THE HEAD

Leave the chin strap loose for now. Allow the helmet to settle on the head for a few minutes before
checking the fit. Ensure that the front pad is just above the eyebrows. If necessary, adjust the fit as follows:

¼”

Comfort Pads

”

Comfort Pads

”

Comfort Pads

Helmet too high or too tight:

Remove the ½-inch-thick comfort pads

and install the ¼-inch-thick pads as

shown. Re-check the fit.

Helmet too low or too loose:

Remove the ½-inch-thick comfort pads

and install the ¾-inch-thick pads as

shown. Re-check the fit.

HEADSET PAD CONFIGURATION

For use of the 360

Liner in conjunction with a banded headset, simply remove the Comfort Pad located at

the crown as shown below.

Remove

Ensure the helmet is properly adjusted for a snug, secure fit at all times when the helmet
is worn. Failure to do so can result in an unstable helmet that will not protect the wearer.

CHINSTRAP OPERATION

WARNING

LOOSEN HEAD-LOC SLIDERS

Loosen all (4) Head-Loc Sliders by sliding them away from the chin cup.

CONNECT CHINSTRAP BUCKLE

Place the helmet on your head and connect the low profile chinstrap
buckle. This is easiest when placing your index fingers behind each
side of the buckle as shown.

TIGHTEN

FRONT SRAPS

Tighten the front straps by
pulling the Head-Loc Sliders
toward your chin.

ADJUST

NAPE PAD

Position comfortably (as low as
possible) on the back of your
head. Pull Head-Loc Slider with
your right hand.

TIGHTEN SIDE

STRAPS

Tighten the side straps by
pulling the Head-Loc Sliders
toward your chin.

FACE SHIELD OPERATION

The Ops-Core Multi-Hit Handgun Face Shield features a new ARC mounting mechanism that allows for secure
and stable attachment. When properly installed, the face shield transforms any helmet into the ultimate
defense against multiple impacts from handgun threats.

FORE/AFT POSITIONING

ADJUSTING THE FACE SHIELD

Loosen both Thumb Knobs by rotating counterclockwise.
Locate the desired fore/aft position and tighten both
Thumb Knobs clockwise.

Release both Brake Locking Handles and adjust the face shield to
desired position. Rotate the Brake Locking Handle to secure.

FACE SHIELD INSTALLATION

PREPARE THE FACE SHIELD

Rotate both Brake Locking Handles to the
locked position and both Rail Mounting
Handles to the open position.

INSERT CONNECTOR SHOES

FASTEN RAIL MOUNTING HANDLES

Align and insert both Accessory Rail Connector Shoes into
the ARC Rails on your helmet until the T-Lock engages with
the desired ARC Rail slot, using slot 2, 3, or 4 only. Be sure
to align to the same slot on both sides.

Fasten both Rail Mounting Handles to
secure the face shield in place.

Accessory Rail Connector (ARC) Shoe

T-Lock

ARC OPERATION

The Ops-Core Accessory Rail Connectors (ARCs) transform ACH style helmets into a streamlined platform
capable of integrating mission enhancing components and accessories such as visors, mandibles, lights,
and cameras. Multiple non-snag attachment points provide quick, easy, and secure donning and doffing
of accessories and clean routing of external wires and cables in a streamlined configuration to minimize
user distraction.

Slide Picatinny Adapter to
preferred position on the
ACH-ARC.

Tighten screw to lock
the adapter into place.

PICATINNY ADAPTER

ACH-ARC ASSEMBLY

Connects devices compatible
with 1911 Picatinny Rail

Attach desired accessory
to Wing-Loc Adapter
using the through-holes.

Pinch tabs on the Wing-
Loc Adapter and slide
to preferred position on
the ACH-ARC.

WING-LOC ADAPTER

Use as a base to mount
a variety of headborne
accessories

Chinstrap

Hole

Chinstrap

Anchor

T-Nut

Ballistic Screw

MAINTENANCE

PREVENTIVE MAINTENANCE CHECKS

Perform preventive maintenance tasks for each component as described in the table below.

Component

Examine for:

Helmet is not ready if:

Helmet Shell

•

Gouges, scrapes, cracks, delamination
or other damage extending below
the paint

•

Loose or damaged edging

•

Gouges, scrapes, cracks,
delamination or other damage
extends below the paint

•

Edging is loose or damaged

Suspension (Pad/Liner)

•

Cuts, tears or other damage to outer
fabric or inner foam

•

Exposed foam

•

Pads that do not return to original
shape when squeezed

•

Worn hook/pile fasteners

•

Pads are torn, cut, or
otherwise damaged

•

Foam is exposed

•

Pads do not return to original shape
when squeezed

•

Hook/pile fasteners fail to hold pads
in place

Retention (Chin Strap)

•

Cuts, frays or other damage; or loose
or damaged stitching in the webbing

•

Missing, cracked, worn, or
damaged Head-Loc buckle
or Tri-Glide adjustment

•

Loose or missing screw or T-nut

•

Webbing is frayed more than
½ inch or has a discernible cut; or
stitching is loose or damaged

•

Head-Loc buckle or Tri-Glide
adjustment is missing,
cracked, or worn.

•

Screw or T-nut is loose or missing

Shroud, rails, or bungees

(mission-configured helmets)

•

Loose or missing hardware

•

Hardware is loose or missing

CLEANING

Perform cleaning tasks for each component as described in the table below.

Component

Cleaning Procedure

Helmet Shell

Clean with mild soap and water; use a soft brush. Allow to dry.

Suspension (Pad/Liner)

Spot-clean with mild soap and water; use air pressure to remove dust and dirt.
Pads may be machine-washed, but

do not machine-dry

; allow to air-dry.

Retention (Chin Strap)

Same as suspension (pad/liner)

Shroud, rails, or bungees

(mission-configured helmets)

Wipe with damp cloth

OPERATOR NOTES

OPERATOR
NOTES

OPERATOR NOTES

OPERATOR
NOTES

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