Summary: The description, specs, photos and pricing of STI’s HOST SS 4.0 pistol.
Manufacturer’s Description
STI‘s HOST SS 4.0 is a single-stack 1911-style pistol built on a steel frame with a steel slide, and chambered in 9mm or .45 ACP. STI calls it the HOST because it can “host” a suppressor via a threaded bushing barrel and a small classic cut; an optic and/or light via an under-barrel picatinny rail; and an optic via a pre-tapped slide.
Other features include:
A 4.15″ barrel with a thread protector;
a 4.5-lb. trigger pull;
The HOST SS 4.0 with an optic and light installed.
an ambidextrous thumb safety;
tall, fixed, tritium, suppressor sights;
VZ Alien black gray grips;
a Dawson Precision tool-less guide rod;
a slim magwell;
a black diamond-like-carbon (DLC) finish; and
two magazines with extended basepads.
The Specs
Caliber
Capacity
BBL
OAL
Height
Weight
9mm
9+1
4.15″
n/a
n/a
n/a
.45 ACP
8+1
4.15″
n/a
n/a
n/a
Pricing & Shopping
MSRP: $2,699
More Photos
The HOST SS 4.0 with just the tall sights installed.
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