Description
SilencerCo Velos LBP 556K Features and Performance
The SilencerCo Velos LBP 556K is a compact 5.56 suppressor built for shooters who want hard-use durability, reduced back pressure, and a shorter overall footprint for modern rifle setups. As part of the Velos LBP line, this model is designed to help reduce overall blowback while still maintaining strong sound suppression and practical handling. For shooters looking for a compact rifle suppressor with a black finish and low back-pressure performance, the Velos LBP 556K is a strong option.
One of the standout features of the SilencerCo Velos LBP 556K is its low back-pressure design. SilencerCo describes the Velos LBP series as using low back-pressure technology to reduce overall blowback, which makes it especially appealing for AR-pattern rifles and other hosts where gas management matters. The K-length profile keeps the suppressor compact at 4.76 inches while still offering the rugged construction expected from a hard-use 5.56 can.
The Velos LBP 556K is also built with durability in mind. Current product listings show 17-4 stainless steel and Inconel 625 construction, a 1.73 inch diameter, and a 12.4 ounce weight. It is also listed as compatible with Charlie and ASR accessories, giving shooters flexibility when building out a suppressor setup around different muzzle devices and mounting preferences.
Another reason this model stands out is its included accessory package. Listings for this exact SKU show that it ships with an internal Charlie flash hider front cap, a Charlie ASR mount, a 1/2×28 ASR flash hider, a spanner wrench, and a Charlie tool. For more suppressors and firearm accessories, visit our NFA items collection and browse more SilencerCo products. To learn more about the Velos LBP platform, see SilencerCo’s official Velos LBP product page.
Details
- Manufacturer: SilencerCo
- Model: Velos LBP 556K
- Part Number: SU5420
- UPC: 816413028476
- Type: 5.56 Rifle Suppressor
- Caliber Compatibility: .223 Rem / 5.56 NATO
- Weight: 12.4 oz.
- Length: 4.76 in.
- Diameter: 1.73 in.
- Material: 17-4 Stainless Steel and Inconel 625
- Design: Low Back Pressure
- Accessory Compatibility: Charlie and ASR
- Included Mount: Charlie ASR Mount
- Included Muzzle Device: 1/2×28 ASR Flash Hider
- Included Front Cap: Internal Charlie Flash Hider Front Cap
- Included Tools: Spanner Wrench and Charlie Tool
- Finish: Black






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