Pindad SS1 The Pindad SS1 ( short for Indonesian : Senapan Serbu 1 , or " Assault Rifle 1 " ) is an indonesian weapon manufactured by the PT Pindad in 1991 based in the FN FNC , it is being replaced by the Pindad SS2 since 2006 , however the SS1 is still being used in the Indonesian Military and in other four countries . Description . After 10 , 000 FN FNC rifles were bought for the Indonesian military , Pindad secured a license in 1984 from FN to manufacture the FNC . In 1991 , the Indonesian state company PT Pindad ( Bandung Indonesia ) launched the assault rifles SS1 ( Senapan Serbu 1 - Assault Rifle 1 ) chambered in caliber 5 . 56x45mm NATO , which was formally adopted by the Indonesian Army ( Tentara Nasional Indonesia / TNI ) and Mobile Brigade of Indonesian National Police ( Kepolisian Negara Republik Indonesia / POLRI ) . Pindad SS1 rifle is a modernized licensed copy of the Belgian assault rifle FN FNC . Changes in Pindad SS1 were related to ergonomics and the use of weapons in the tropics , as well as the method of manufacture . Besides the Indonesian Army , the Pindad SS1 were also exported to Cambodia , Nigeria and United Arab Emirates . In Indonesia the SS1 are being replaced by the Pindad SS2 since 2005 but still are being used by the regular Indonesian infantry . The V1 is the primary variant , and is most widely used by Indonesian regular infantry forces , with standard barrel and foldable butt . The short - barreled and compact carbine variant . Variant based on the Pindad SS1 - V1 with standard barrel and fixed butt . The sniper rifle variant similar to SS1 - V1 except for the scope to extend the effective range during medium and long range firefights . As a Designated Marksman Rifle , SS1 - V4 is much closer to " tactical support rifles " rather than to " true sniper rifles " . Lack of SS1 - V4 is in its barrel , a usual DMRs are equipped with heavy target - style barrel , but SS1 - V4 just weared the original rifle barrel . The smallest variant of SS1 with a 252 mm barrel and 3 . 37 kg weight with foldable butt . Used by engineers , artillery forces , rear - echelon troops and by special forces . Another sub - variant of SS1 V5 called SS1 - R5 is designed for special forces especially for Batalyon Raiders . The SS1 - R5 is a lighter and slimmer design which doesn ' t sacrifice high accuracy . Designed for special forces operations such as infiltration , short distance contact in jungle , mountain , marsh , sea and urban warfare . SS1 - R5 can be attached with bayonet and various types of telescopes . The modified SS1 intended for the Indonesian Marine Corps ( Korps Marinir TNI - AL ) . A special coating process ensures the SS1 M series to be able to hold up sea water and not easily rust . The variant is designed to function even after drenched in mud or sand . Available in 3 variants : SS1 - M1 , with a long barrel and foldable butt ; SS1 - M2 , with a short barrel and foldable butt and SS1 - M5 Commando . A variant created for police use . It ' s the only rifle in the SS - 1 series chambered in 7 . 62x45mm NATO for law enforcement conditions ( as non - lethal weapon ) , it is used by Anti - Riot Unit of Samapta Bhayangkara / Sabhara of Indonesian National Police . A variant of the SS1 - V5 , made specifically for Indonesian customs as the rifle is named Senapan Bea Cukai ( Indonesian for " Customs & Excise Rifle " ) . Fires in single shot instead of full automatic .