Gas-operated reloading on Notably News

Gas-operated reloading

System of operation used to provide energy to operate autoloading firearms

Follow Gas-operated reloading on Notably News to receive short updates to your email — rarely!

We include updates on AK-47, M16 rifle, AK-74, FN FAL, Heckler & Koch HK416, AKM, SKS, StG 44, FN SCAR, M1 carbine, PK machine gun, M249 light machine gun, AK-12, Steyr AUG, Heckler & Koch G36, RPK ... and more.

March 2025	SIG MCX United Kingdom ordered 1,500 rifles for the Royal Marines to replace their L119 carbines.
2024	SIG MCX Australian Army special forces units begin acquiring SIG MCX in .300BLK to replace the H&K MP5.
2024	Heckler & Koch G36 Planned start of fielding for the new replacement rifles in the Bundeswehr.
2023	FN SCAR National Guard of Ukraine begins using FN SCAR rifles
2023	Lewis Machine & Tool Company Lewis Machine & Tool Company introduced the 7.62mm Zf Stgw 20 designated marksman rifle (MARS-H) for the Swiss Army Reconnaissance Detachment 10 and MP Spez Det special forces units, paired with a Schmidt & Bender 3-20×50 PM II Ultra Short telescopic sight with TREMOR3 reticle.
2023	Lewis Machine & Tool Company The Royal Marines adopted a MARS-H based L129A2 designated marksman rifle chambered in 6.5 mm Creedmoor, featuring a fully adjustable DMR stock, lengthened hand guard, Leupold Mark 5HD telescopic sight, HuxWrx suppressor, Envision Technology ballistic calculator, and Pixels-on-Target thermal sight. This adoption marked a significant change from the previous 7.62×51mm NATO ammunition to 6.5 Creedmoor for improved long-distance target engagement capabilities.
November 2023	Lewis Machine & Tool Company Lewis Machine & Tool Company revealed a production overrun of Short Barreled Rifles (SBR) chambered for 5.56×45mm NATO, originally ordered by Lebanon in an undisclosed contract quantity.
October 2023	FN FAL FN FAL rifles were observed being used by various combatants in the Israel-Hamas war, demonstrating the weapon's continued relevance in modern conflicts.
May 2023	Heckler & Koch HK417 Luxembourg Armed Forces began procurement of the HK417 A2 rifle, being acquired alongside the HK416 model.
April 2023	FN FAL FN FAL rifles were employed by different factions during the Sudanese civil war, highlighting the weapon's widespread use in regional conflicts.
January 2023	Lewis Machine & Tool Company Estonian Defence League began using the R-20 rifles, with a total order of 19,000 short-stroke piston MARS-L rifles under the R-20 Rahe designation.
2022	FN SCAR The SCAR rifle is in service in over 20 countries, demonstrating its widespread military adoption.
2022	SIG MCX SIG introduced the third generation SIG MCX-SPEAR LT, featuring a lightened handguard and barrel design, ambidextrous bolt catch and release, proprietary SL muzzle device, and new coyote brown coating option.
2022	Heckler & Koch G36 The G95A1 and G95KA1 variants of the HK416 were selected as the replacement for the G36 in the German military.
2022	Lewis Machine & Tool Company R-20 rifle planned to fully replace the Galil and Ak 4 rifles in Estonian Defence Forces.
December 2022	Heckler & Koch G36 The Bundestag approved initial funding to begin procuring the new replacement rifles, with plans to purchase 118,718 G95A1 and G95KA1 rifles.
June 2022	Heckler & Koch G36 A German court dismissed Haenel's lawsuit challenging the rifle replacement decision.
May 2022	SIG MCX The MCX Rattler was selected as the winner of SOCOM's Commercial Personal Defense Weapon (CPDW) contract, with plans to order suppressed variants in 5.56 and .300 Blackout calibers.
April 19 2022	SIG MCX SIG Sauer was selected as the winner of the United States Army Next Generation Squad Weapon (NGSW) program with the SIG MCX-SPEAR, which was initially designated as the XM5 and later changed to the XM7 in U.S. military service.
February 2022	FN FAL FN FAL rifles were used by Ukrainian forces during the Russian invasion of Ukraine, serving as a significant small arms weapon in the conflict.
2021	SIG MCX France acquired 5 SIG MCX rifles for the Groupement de commandos de montagne and 27th Mountain Infantry Brigade.
2021	Heckler & Koch G36 The HK416 A8 (G95A1) was selected as the replacement for the G36 rifle.
May 2021	Heckler & Koch G36 Steyr Arms introduced the G62 upgrade kit for G36 rifles, offering metal receiver, barrel, and magazine well components that can be mounted on existing G36 weapons without modifications.
February 2021	Heckler & Koch G36 The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATF) officially classified the TommyBuilt Tactical T36 as a machine gun.
January 2021	FN FAL Irish Defence Forces stated they were looking for a replacement sniper support weapon.
2020	FN SCAR Announcement of the FN SCAR 20S 6.5CM variant chambered in 6.5mm Creedmoor, which was selected by USSOCOM for long-range use.
November 2020	Heckler & Koch G36 Semi-automatic G36 rifles became available for sale on the civilian market in Canada. These rifles were sold with either match-grade Lothar Walther barrels (priced at CAD $5,999) or Heckler & Koch barrels (priced at CAD $7,998).
October 2020	Heckler & Koch G36 German authorities cancelled the contract with Haenel amid patent infringement allegations.
September 2020	Heckler & Koch G36 C.G. Haenel initially won the competition to replace the G36 with their Haenel MK 556 rifle.
June 2020	Lewis Machine & Tool Company First batch of 1,500 R-20 Rahe rifles was delivered to Estonian Defence Forces.
2019	FN SCAR France's Armée de terre (Army) adopts 2,600 FN SCAR rifles of the H PR model
2019	FN SCAR Introduction of the FN SCAR 20S Precision Rifle, a semi-automatic civilian version of the FN Mk 20 SSR, chambered in 7.62×51mm NATO.
December 2019	SIG MCX Rhineland-Palatinate Police ordered more than 100 SIG MCX rifles.
May 2019	Lewis Machine & Tool Company Estonian Defence Forces selected the MARS-L rifle after two years of testing, choosing it to replace their IMI Galil and Automatkarbin 4 rifles.
September 2018	Lewis Machine & Tool Company Reports emerged of rifle issues, including 130 rifles with bolt cracks and widespread firing pin replacements. LMT disputed the extent of the problems, claiming less than 0.1% of firing pins were actually affected.
July 2018	SIG MCX SIG MCX integrally suppressed upper receiver group was selected by USSOCOM for the Suppressed Upper Receiver Group (SURG) contract, to be paired with existing M4A1 lowers in SOCOM inventory.
June 2018	FN SCAR The SCAR-SC, a 5.56×45mm NATO / .300 Blackout subcompact carbine, became available in mid-2018.
May 2018	Heckler & Koch HK417 U.S. Marine Corps began receiving the Compact Semi-Automatic Sniper System (CSASS) to replace the M110 sniper rifle.
March 2018	Heckler & Koch HK417 U.S. Army announced the issuance of a version of the G28E-110 to infantry squads as the standard Squad Designated Marksman Rifle (SDMR), initially designated as M110E1.
February 2018	SIG MCX USSOCOM ordered upper receiver group conversion kits for the MCX Rattler in .300 Blackout caliber for evaluation purposes.
2017	SIG MCX SIG MCX VIRTUS (Gen II) was introduced as the second generation of the SIG MCX series.
2017	Heckler & Koch G36 Lithuanian Armed Forces receive G36KA4M1 model rifles
2017	Heckler & Koch G36 West Yorkshire Police discontinue use of G36 rifles
2017	Heckler & Koch G36 The Bundeswehr began the System Sturmgewehr Bundeswehr (Bundeswehr Assault Rifle System) effort to replace the G36 rifle.
October 2017	Heckler & Koch HK417 Heckler & Koch renamed the G28 as the HK241, though the G28 designation remains in use by the Bundeswehr.
October 2017	SIG MCX Berlin Police ordered 300 modified MCXs to meet police requirements, with an additional 160 units for SEK of Berlin and Landespolizei of Schleswig Holstein.
June 15 2017	Lewis Machine & Tool Company Soldiers began training with the new LMT rifles at Waiouru Military Camp.
May 2017	Lewis Machine & Tool Company LMT delivered the gas-operated, rotating bolt rifles to the New Zealand Defence Force.
We are only showing the most recent entries for this topic.

This contents of the box above is based on material from the Wikipedia articles Heckler & Koch HK417, Heckler & Koch G36, FN FAL, SIG MCX, Lewis Machine & Tool Company & FN SCAR, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.