The patriarch of Safariland PROTECH Tactical’s line of ballistic helmets, the Delta 4 is a traditional ACH style helmet known for its durability, performance and overall ballistic protection [NIJ 0106.01 compliant and modified to address higher type IIIA rounds and velocities].
The Delta 4 (bolted) is the most accommodating ballistic helmet offered by PROTECH, as it is compatible with all available retention systems and optional accessories.
Features:
- NIJ 0106.01 Tested, Modified to address Type IIIA rounds & velocities
- V50 ≥ 2058 fps (627 mps), 17 gr.
- Bolted Variant (see Delta 4 Boltless product page for other options)
- Available in Full-, Mid- and High-Cut
- Compatible with the following optional accessories: Rail Set, NVG Shroud, Bungee Set, VELCRO® Brand Kit and TCI Communication Systems
• Expanded Coverage - The updated design provides substantially more Velcro surface area, with multiple panels positioned across the front, back, top, and sides.
• Optimized Panel Placement - Velcro panels are strategically arranged to maximize attachment options while avoiding interference with accessories, ventilation, or structural components.
• Rugged, High-Grip Materials - Constructed from durable, high-performance Velcro material, ensuring consistent reliability and secure attachment in demanding operational environments.
Benefits:
• Enhanced Customization - More Velcro real estate allows users to mount a wider variety of accessories—ID patches, IR markers, strobes, lights, and other mission-critical gear.
• Improved Weight Distribution - Multiple attachment points help balance accessory placement, reducing hot spots and strain while increasing comfort during long-duration wear.
• Greater Mission Flexibility - Users can quickly reconfigure gear layouts to adapt to different environments or requirements without being limited by attachment space.
• Streamlined Profile - The updated panel layout provides a streamlined, modern look while preserving the helmet’s full operational functionality.
Specifications:
- 4-Hole Bolted Pattern
- Available in three cuts: Full Cut, Mid Cut, and High Cut
|
Cut
|
Weight (lbs)
|
Weight (kg)
|
|---|---|---|
|
Full Cut
|
2.78 – 2.98 lbs
|
1.26 – 1.35 kg
|
|
Mid Cut
|
2.70 – 2.90 lbs
|
1.22 – 1.31 kg
|
|
High Cut
|
2.50 – 2.67 lbs
|
1.13 – 1.21 kg
|
- Made with Aramid material
- Non-reflective Polyurethane Paint finish
- NIJ 0106.01 compliant
- Exceeds ACH Blunt Force Impact requirements
- Modified to address Type IIIA rounds and velocities per AR/PD 10-02
- 9mm, 124 gr. FMJ – 4 impacts (velocity 1400 fps ± 50 fps)
- .44 Magnum, 240 gr. SJHP
- Speer .357 Sig, 125 gr. GDHP
- Fragmentation: .22 CAL, 17 gr. FSP – V50 > 2067 fps
|
Helmet Size
|
Crown
|
Front
|
Back
|
Right
|
Left
|
Bolt
|
|---|---|---|---|---|---|---|
|
LG-XL
|
20.6mm
|
18.1mm
|
18.3mm
|
9.6mm
|
8.6mm
|
Stopped
|
|
Jumbo
|
7.0mm
|
14.2mm
|
7.3mm
|
1.9mm
|
2.7mm
|
N/A
|
|
Suspension Type
|
Weight
|
Compatible Sizes
|
|---|---|---|
|
Delta Retention System w/ Safariland RPS Liner
|
0.52 lbs (0.23 kg)
|
Small-Medium, Large-X-Large, Jumbo
|
|
R2S™ Ratchet with Pads
|
1.30 lbs (0.60 kg)
|
Small-Medium, Large-X-Large, Jumbo
|
|
R2S™ Ratchet with Mesh
|
1.26 lbs (0.57 kg)
|
Small-Medium, Large-X-Large, Jumbo
|
|
4-Point Retention with Pads
|
0.56 lbs (0.30 kg)
|
Small, Medium, Large, X-Large
|
|
4-Point Retention with Mesh
|
0.45 lbs (0.20 kg)
|
Small, Medium, Large, X-Large, Jumbo
|
Black • Coyote Brown • OD Green • Ranger Green • Tactical GreenOptional Accessories & Colors
|
Accessory
|
Available Colors
|
|---|---|
|
NVG Shroud
|
Black, Coyote Brown, Foliage Green, Tactical Green
|
|
Side Rail Kit
|
Black, Coyote Brown, Green
|
|
Bungees for Rails
|
Black, Coyote Brown, Green
|
|
Velcro® Kit
|
Black, Coyote Brown, Foliage Green, Tactical Green
|
|
Helmet Cover
|
Black, Coyote Brown, OD Green, Multi-Cam
|