SIG Sauer AG, the Swiss small arms division of SIG Sauer, still produces the SG 550 series of rifles. The company shared this picture of an SG 553 R rifle on their social media pages. The main difference of this model from other SG 553 rifles is that it is chambered in 7.62×39 and is fed from AK-47 magazines. There is also a civilian 7.62×39 version of these rifles called SIG 556 R.
Here are the tech specs of the SIG Sauer SG 553 R rifle:
| Description | Value |
| Calibre | 7.62 x 39 |
| Trigger pull weight | 35 N (3,5 kg) |
| Weight (empty) | 3.080 g |
| Weight with (20 / 30 rounds) | 3.900 g |
| Function principle | Gas operated |
| Bolt pattern | Rotating bolt |
| Cycle rate | approx. 700 rd / min |
| Magazine capacity | 30 |
| Total length | 810 mm |
| Length folded | 578 mm |
| Height | 185 mm |
| Line of sight | 343 mm |
| Length of twist | 240 mm (9,5“) |
| No. of grooves | 4 |
| Energy | 1.900 J |
| Gas pressure system | adjustable |
The learn more about SIG Sauer AG, visit the About Us section of the company’s website where you can find their history timeline.
Pictures by SIG Sauer AG, www.sigsauer.swiss
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