POTD: SIG Sauer SG 553 R
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
Managing Editor Being a lifelong firearms enthusiast, Hrachya always enjoys studying the history and design of guns and ammunition. Should you need to contact him, feel free to shoot him a message at Hrachya@TheFirearmBlog.com
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As someone new to SIG Sauer, I find it fascinating that they continue to produce the SG 550 series rifles. The SG 553 R's chambering in 7.62×39 and compatibility with AK-47 magazines is an interesting departure from other models. It's great to know about the civilian version, SIG 556 R, too.
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