HK SL8 vs SIG SG 553

Side-by-side technical comparison

HK SL8

RiflesIn production

RiflesIn production

Overview

Spec

HK SL8

SIG SG 553

Manufacturer

Swiss Arms AG (formerly SIG Arms)

Country

Production

1998–present

1990–present

Units produced

Unknown

Unknown

Specifications

Spec

HK SL8

SIG SG 553

Overall length

980 mm

733 mm

Barrel length

510 mm

246 mm

Weight

4.2 kg

3.1 kg

Magazine capacity

10 rounds

20 rounds

Action type

short-stroke gas piston

Short-stroke gas piston

Trigger type

two-stage

Single stage

Sights

Picatinny rail

Adjustable diopter rear with front post

Calibers

HK SL8

.223 Remington / 5.56x45mm NATO 5.56x45mm NATO

SIG SG 553

HK SL8 SIG SG 553

Another comparison

HK SL8 vs SIG SG 553 — Side-by-Side Comparison | TGDB - The Gun Database