[PAR] [TLE] SIG SG 550 [SEP] The SG 550 is an assault rifle manufactured by Swiss Arms AG (formerly a division of Schweizerische Industrie Gesellschaft now known as Sig Holding AG) of Neuhausen, Switzerland.  "SG" is an abbreviation for "Sturmgewehr", or "assault rifle".  The rifle is based on the earlier 5.56mm SG 540 and is also known as the Fass 90 ("Fusil d'assaut" 90/"Fucile d'assalto" 90) in French/Italian or Stgw 90 in German ("Sturmgewehr" 90). <ref name="SwissArms-SG550/PE90"> </ref> [PAR] [TLE] SIG SG 540 [SEP] The SG 540 is a 5.56×45mm NATO assault rifle developed in the early 1970s by Schweizerische Industrie Gesellschaft (SIG, currently SAN Swiss Arms AG) based out of Neuhausen, Switzerland as a private venture primarily destined for export markets and as a potential replacement for the 7.5×55mm Swiss SG 510 automatic rifle known as the Stgw 57 in Swiss service.
[PAR] [TLE] SIG SG 550 [ SEP ] The SG 550 is an assault rifle manufactured by Swiss Arms AG ( formerly a division of Schweizerische Industrie Gesellschaft now known as Sig Holding AG ) of Neuhausen , Switzerland . " SG " is an abbreviation for " Sturmgewehr " , or " assault rifle " . The rifle is based on the earlier 5.56 mm SG 540 and is also known as the Fass 90 ( " Fusil d'assaut " 90/"Fucile d'assalto " 90 ) in French / Italian or Stgw 90 in German ( " Sturmgewehr " 90 ) . < ref name="SwissArms - SG550/PE90 " > < /ref > [PAR] [TLE] SIG SG 540 [ SEP ] The SG 540 is a 5.56×45 mm NATO assault rifle developed in the early 1970s by Schweizerische Industrie Gesellschaft ( SIG , currently SAN Swiss Arms AG ) based out of Neuhausen , Switzerland as a private venture primarily destined for export markets and as a potential replacement for the 7.5×55 mm Swiss SG 510 automatic rifle known as the Stgw 57 in Swiss service .
Which riffle on which SIG SG 550 is based is a 5.56×45mm NATO assault rifle developed in the early 1970s by Schweizerische Industrie Gesellschaft?
Which riffle on which SIG SG 550 is based is a 5.56×45 mm NATO assault rifle developed in the early 1970s by Schweizerische Industrie Gesellschaft ?
The SG 540
The SG 540