Ballistic Testing
Three rounds stopped. All contained.
The Delta Panel was tested against .50 BMG and 7.62×51mm NATO at 15 ft. The .50 BMG rounds match UL-RF-J, the UL 752 designation for the most demanding rifle threats. 3 consecutive rounds went into the same 12 × 12 × 4″ composite panel. No exits. Every projectile stayed inside the panel.
UL 752 asks for a single-shot stop. These panels held under three rounds to the same point.
0
Exits
All projectiles contained
12,389
ft·lb Stopped
Energy of one .50 BMG round
53
lb/sf
4" composite panel weight
15 ft
Firing Distance
Indoor range, Freedom Armory PA
Test Parameters
Ammunition & Recovered Rounds
Standard military-grade and commercial rounds, documented pre- and post-impact.
Three .50 BMG Rounds Recovered
All three projectiles, deformed and recovered from the same panel surface after three consecutive shots. UL 752 requires a single-shot pass. The Delta Panel passed three.
Test Ammunition
.50 Caliber BMG
Closeup · Round in Matrix
.50 BMG Round, Trapped in Matrix
Copper jacket stripped during penetration, core contained inside the panel. Zero exit. The matrix absorbed the full kinetic energy of the round.
.50 BMG Impact
The First Impact, In Detail
12 × 12 × 4″ composite panel at 53 lb/sf. Three .50 BMG rounds went into the same spot, and the panel stopped all three. The front and rear photos below show that first hit up close. UL 752 asks for a single-shot stop; this panel let none of the three through.
.50 BMG · Shot 1
First .50 BMG impact
Observation: Impact-face spall (concrete fragments broken off the surface). Bullet stopped, no rear-face damage.
7.62×51mm NATO · 4" Lightweight Aggregate
Small Entry, No Spall, Round Stopped
12 × 12 × 4" lightweight aggregate panel. Five 7.62×51mm NATO rounds at 15 ft, all stopped inside the matrix. Essentially no spall on the front face, no exit on the rear.
Small entry, no crater
Essentially no spall. Projectile lodged inside.
No exit
Rear face intact. Round contained.
UL-RF-H Certification Test
Five 7.62×51mm NATO rounds into a 4-inch lightweight aggregate panel at 15 ft. All stopped at the impact face, none through.
High-Speed Capture · 7.62×51mm NATO
Front and rear cameras on the same panel through the 7.62 NATO sequence. Front-face impacts, rear face intact.
Test Summary
Complete Results
| Round | Distance | Observation | Verdict |
|---|---|---|---|
| .50 BMG, Shot 1 | 15 ft | Impact face spall. Bullet stopped, no rear damage. | PASS |
| .50 BMG, Shot 2 | 15 ft | Additional impact face spall. Rear face crack, no bullet exit. | PASS |
| .50 BMG, Shot 3 | 15 ft | Still additional impact face spall. More rear face damage, no bullet exit. | PASS |
| 7.62×51mm NATO | 15 ft | 6" lightweight aggregate panel. Small entry, no spall, projectile stopped in target. | PASS |
Headline: All three .50 BMG rounds fired into the same panel, in the same location.
3 consecutive hits · all stopped in target
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