Diamondback FirearmsVentra DBS-556i
5.56mm / .223 suppressor · HUB 1.375x24 interface · specs and compatibility from the manufacturer
Notable features
- HUB Compatible
- Low Backpressure
- No Barrel Restrictions
- Full-Auto Rated
length
5.34″
weight
12oz
MSRP
$998
length
5.34″
weight
12oz
calibers
5.56
material
Steel · Inconel
interface
HUB 1.375x24
MSRP
$998
- Availability
- In production
- Overall length
- 5.34″
- Class
- 5.56mm / .223
- n
- 328
- Range
- 2.5″–9.75″
- Median
- 6.12″
- Diameter
- 1.55″
- Weight
- 12 oz
- Material
- Inconel 718, 17-4 SS
- Finish / treatment
- Cerakote Armor Black, Cerakote FDE
- Max caliber
- 5.56mm NATO
- Base interface
- HUB 1.375x24
- Backpressure
- Low
- Full-auto rated
- Yes
- Barrel restriction
- None (manufacturer stated)
- MSRP
- $998
Shorter than most 5.56mm / .223 suppressors
Length compared against the 328 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
- Base interface
- HUB 1.375x24
The HUB 1.375x24 is an open standard: 415 mounts and 818 muzzle devices in our catalog fit this suppressor, including Diamondback Firearms Ventra Direct Thread HUB Adaptor (1/2-28), AAC 51T S.T.A.M.P. Mount and AB Suppressor AB Raptor Adapter. You aren't locked into one manufacturer's parts.
Which ones fit your barrel and host?
Check in the BuilderManufacturer claim
- Full-auto rated, tested for sustained fire.
- Compact, full-auto rated suppressor for 5.56 NATO platforms, pairing a short overall length with engineered gas flow to reduce backpressure and lower blowback.
- Low backpressure design, improves cycling and reduces blowback to the shooter.
- HUB compatible direct-thread mounting for modular host use.
Show all 10 ▾ ▴
- Pressure Venting Technology (PVT) channels gas away from the shooter, for smoother recoil and more reliable cycling.
- Asymmetric Baffle Geometry: baffles are tuned to balance suppression and backpressure, giving even sound across the spectrum and a controlled flash signature.
- Manufactured in Inconel 718, a military-grade alloy chosen for heat resistance, durability and longevity.
- Inconel 718 core resists creep and deformation under heat; a 17-4 stainless steel endcap provides corrosion resistance.
- Suppressor Mount: Direct Thread HUB Adaptor. Direct-Thread Adaptor Weight: 2.0 oz.
- Minimum Barrel Length: None.