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B&T USA

B&T 556 Print-XH RBS Subcompact (Ti)

SKU KHSD556RBSSCTI · MFR# SD-556RBS-SC-Ti

$820✓ In stock
NFA item — $0 federal tax stamp. Order, we file the ATF Form 4 on eForms, you pick up at your SOT dealer after approval. Flat $14.99 firearm shipping.
Licensed FFL · Class 2 SOTWe file the Form 4$0 tax stamp
How the Form 4 process works
Transfers on an ATF Form 4 with a $0 federal tax stamp (as of Jan 1, 2026). We file the paperwork on eForms and keep you posted on status; you pick up at your SOT dealer with photo ID after ATF approval. How the Form 4 works → NFA & suppressor guide →

Key Features Hybrid 3-D Printed Design: Lightweight titanium body for easier handling plus a robust Inconel blast baffle to withstand superheated gases. Reduced Backpressure System (RBS): Limits bolt speed increase to under 2% preserving weapon health and operator comfort.. No Barrel Length Restrictions: Engineered for full-auto use and ensures flexibility across firearm platforms. Weldless Construction: Eliminates traditional weak points improving reliability over extended shooting sessions. User-Friendly Mounting: HUB interface options (1.375 24 TPI) and wrench flats simplify attachment or removal across multiple rifle systems. Features: Caliber: 5.56 / .223 Weight: 8.5 oz Length: 5 in Material: Titanium Diameter: 1.75 in / 44.5mm Color: Grey Finish: Type 2 Hard Coat Anodized Attachment Options: HUB Interface Compatible Includes: ROTEX/ SF HUB Mount Wrench and Manual

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications
Manufacturer SKUSD-556RBS-SC-Ti
UPC840225717266
CategoryNfa
BrandB&T
ColorGrey
Length5"
Diameter1.7500
ConditionNew
CA Prop 65Yes
Thread Type1.375x24
Body MaterialTitanium
Attachment TypeDirect Thread
Baffle MaterialInconel
Full Auto RatedYes
Primary Caliber5.56mm
Suppressor TypeSuppressor
Compatible CalibersMulti Use
FulfillmentSOT dealer + Form 4