M549a1 “Completion of this facility couldn’t come at a better time, not only to meet our modernization priorities, but also because what we see going on in Ukraine right now,” Gibbs said. Army is developing a new, extended range 155mm artillery round to replace the aging M549A1 rounds produced in the 1970s and 1980s. The PGK corrects the ballistic trajectory of the projectile to reduce delivery errors and thus improves projectile accuracy. Oct 27, 2025 · 155mm HERA M549A1 InspectionUPDATED: October 27, 2025 @ 8:00 a. m. The projectile has two distinctive preassembled components--the high The 155 mm M549/M549A1 HERA is a separate-loading munition with a two-part forged shell body. SUMMARY The original project objective was to predict the life of the M549A1 155-mm High-explosive Rocket Assisted (HERA) projectile stockpile as a function of two potential failure mechanisms: "* Rocket motor (RM) delay assembly snuff out resulting in non-ignition of the rocket motor "* Migration of nitroglycerine (NG) from the rocket motor Lower estimated Program Acquisition Unit Cost (PAUC) than restarted M549A1 Leverages existing M795 manufacturing methods (body forging, main fill, rotating band and IM lifting plug) The M430 and the M430A1 can use either the M549 or M549A1 fuze and except for markings, the cartridges are externally identical. This document provides specifications for the FUZE, PIBD - M549A1, Less Spitback Assembly. It has recently become known that along with the American M777 howitzers, 155-mm M549A1 active-rocket projectiles have arrived in Ukraine. Through a reverse image search, Check Your Fact found that the video shows M549A1 High Explosive – Rocket Assisted Projectiles being refurbished in Feb. Classes, events or webinars starting on or after October 1, will be cancelled until further notice. Aligning with the Army's top priority -- Long-Range The 155 mm M549/M549A1 HERA is a separate-loading munition with a two-part forged shell body. The 155 mm M549/M549A1 HERA is a separate-loading munition with a two-part forged shell body. Please consult with your supervisor, and plan accordingly. pdf), Text File (. Accelerated aging experiments for up to 25 days at 75 degrees F did not induce premature rocket motor ignitions. (Pacific) Due to the current lack of an appropriation, DAU is shutdown. These projectiles consist of two major components, a warhead filled with 16 pounds of Composition B high explosive (M549) or 15 pounds of TNT high explosive (M549A1), and a solid propellant rocket motor. * Technical Report ARAED TR 96021, Title: 40 mm M549A1 PIBD Fuze Proposed Self Destruct Concept Sung H. DAAA-09-03-R-0002, for M549A1 40-millimeter (mm) grenade fuzes. Table II displays the number and percentage of targets that were out of range for each artillery system, leaving them incapable of engaging. A comparison photograph of the t Virtually all large howitzer wear tests follow a scenario of firing several hundred expenditure rounds with the primary charge under study and a primary projectile often 9 Apr 5, 2016 · Amendments to military specifications or specification sheets issued after August 1, 2003 are incorporated in the modified document. The forward HE-filled shell body is constructed from high-fragmentation steel (HF1) and is of a low-drag aerodynamic profile. Colby Badhwar, an AMTEC Corporation is the only company in the world manufacturing the M549A1 Fuze and corresponding M430A1 Cartridge to the current US Military Specifications and is the sole source to the US Military. The 155 mm M549/M549A1 HERA is a separate-loading munition with a two-part forged shell body. Increased range is achieved either Jun 12, 2018 · As a replacement for the M549A1 rocket-assisted projectile round in inventory today, the new projectile can be fuzed with a Precision Guidance Kit for improved accuracy. Cho Aug. Higher temperatures and conditioning times were recommended in Aug 26, 2016 · The U. 968 AMTEC Reliability2 - . 42 m Forward Slope Capability: 60% Vertical Obstacle Crossing: 0. Study with Quizlet and memorize flashcards containing terms like HE M107, HE M795, M549/A1 HERA (High Explosive Rocket Assisted), M549 AND M549A1 and more. [citation needed] The 155 mm M549/M549A1 HERA is a separate-loading munition with a two-part forged shell body. The M549A1 rocket grain is a double base propellant. The rocket-motor body makes up the rear of the shell, this constructed from 4340 steel. May 13, 2022 · Foreign countries provide the Ukrainian army with a variety of military aid artillery systems and ammunition for them. PROJECTILE, 155MM, HERA, M549 and M549A1 Filler and Weight Comp B, TNT, Body and Overall Weight , 96 pounds Color Olive drab w/yellow markings Type of Round, DODIC , Jun 13, 2019 · The new round is expected to replace the existing ageing US M549A1 rounds. FABRICATION AND INSTALLATION OF PROTOTYPE ASSEMBLY LINE (TASK B) Avco SYSTEMS DIVISION MIL-DTL-32175 - Free download as PDF File (. The M549A1 is a 155mm rocket-assisted projectile used for long range harassment and interdiction fire missions. Kaman Dayron, the incumbent contractor, challenges the technical evaluation primarily on the basis that the agency unreasonably considered Kaman Dayron's Apr 26, 2013 · PGK is a global positioning system guidance kit with fuzing functions that enhances the U. 8 m Wading Crossing: 1. Aug 25, 2016 · The XM1113 Insensitive Munition High Explosive Rocket Assisted Projectile, or XM1113 RAP, will replace the aging M549A1 rounds produced in the 1970s and 1980s and help U. Jul 7, 2011 · The M549A1 Rocket Assisted Projectile was developed to provide extended range for standard and developmental howitzers. This extended range, warfare operations round increases engagement range to 40km in a 39 caliber weapon system and over 60km in a 58 caliber weapon system. Soldiers and Marines Guided Projectiles for the FCS Objective Force Hartline Guided Projectiles in the US Army Transformation Excalibur Program Overview Apr 26, 2004 · scope: This specification covers the requirements, examinations and tests for the metal parts, assemblies, loading and assembling for one type of fuze designated as FUZE, PIBD: M549A1, Less Spitback Assembly, hereafter referred to as the fuze, or fuze assembly. 5 / 70 degree Traverse: 360° degree Fire Rate: Burst: 3 rounds / 15 seconds Maximum: 6-7 Jul 7, 2011 · Rocket-Assisted Projectiles (RAP) Within the field of artillery techniques there has been a continual striving to increase the range and precision of field guns. The rocket motor ignites automatically via a 7-second delay pyrotechnic initiator upon gun launch, extending the maximum range to 30 km when fired from a 39 May 24, 2021 · The Army’s ERAMS program will soon announce development contracts for howitzer shells capable of firing over 100 km (62 miles) to counter Russian and Chinese artillery. DAU will contact impacted students regarding class statuses when the Federal The M549/M549A1 projectiles have a lifting plug designed to protect the projectile fuze area against accidental damage. If this protective lifting plug is broken at the neck area, the threaded portion of the plug will remain in the projectile and the projectile cannot be fuzed. 5 m Operational Range: 360 km FIRING SYSTEM Firing Range: M107 (HE): 18 km M549A1/RAP (HE): 30 km ERFB/BB (HE): 40 km+ Firing Domain: Elevation: -2. 75 m Trench Crossing: 2. These products are not new, but they are suitable for solving all the main combat tasks - and their appearance requires an appropriate Feb 13, 2019 · scope: This specification covers the requirements, examinations and tests for one type of fuze designated as Fuze, Point Initiating, Base Detonating (PIBD) - Less Spitback Assembly - M549A1, hereafter referred to as the fuze, or fuze assembly. Soldiers install the PGK fuze into the fuze well of conventional 155 mm high explosive M549A1 and M795 cannon artillery projectiles . (Eastern) | 5:00 a. The projectile has two distinctive preassembled components--the high explosive warhead and the rocket motor. This is the American 155mm M549, a High-Explosive-Fragmentation (HE-Frag), High-Explosive-Rocket-Assisted (HERA), spin-stabilised projectile with M549 and M549A1 variants. Field Artillery 155mm Systems to fire the XM1113 RAP to a range of 40 kilometers, a 30% increase from the M549A1. The XM1113 is an Extended Range, Rocket Assisted Projectile that replaces the current inventory of the limited M549A1 RAP rounds used in towed and self-propelled 155mm Artillery Systems. 14, 1997. The M549A1 contains about 15 lb (6. 2020, according Apr 30, 2015 · The Precision Guidance Kit (PGK), a program that turns 155 mm artillery rounds into near-precision projectiles, has reached another important milestone on its track to Full Rate Production (FRP 以M549A1 155mm增程榴彈為例，原始精準度分別為15km (94m CEP)、20km (125m CEP)、25km (150m CEP)、30km (267m CEP)，然而一旦裝上PGK，陸軍要求在上述距離皆低於50m CEP，且實測的成績還簍次達到30m CEP的標準，基本上每一發都是155m榴彈的有效殺傷範圍，不過值得注意的是，由於 Oct 9, 2019 · The Army recently demonstrated extended ranges for the guided multiple launch rocket system, and two 155mm cannon artillery precision munitions. Nov 7, 2025 · 155mm HERA M549A1 Inspection 155mm Projectile Extended Range Inspection 155mm Projectile Illuminating M485 inspection 155mm ICM Family Inspection Red Hash Safety Alert Howitzer Accident TM 9-1320-202-13 Operator and Field Maintenance Manual for Excalibur The Modular Artillery Charge System (MACS) for 155mm Artillery The M549A1 is a US-developed, 155 mm, high explosive fragmentation (HE-frag) rocket assisted (HERA) artillery projectile, which is comprised of two primary sections and a fuze. « first ‹ previous 700 701 702 703 704 705 706 707 708 Sung Cho, A High Performance Concept for 40mm M549A1 PIBD Fuse , ADPA 41 st Annual Fuze Conference, Apr. Offered in restored or unrestored condition The XM1113 is an Extended Range, Rocket Assisted Projectile that replaces the current inventory of the limited M549A1 RAP rounds used in towed and self-propelled 155mm Artillery Systems. * Technical Report ARAED-TR-96021, Title: 40-mm M549A1 PIBD Fuze Proposed S-Destruct Concept--Sung H. There is still an igniter pad at the base of the propellant, and it contains . A Study to Reduce the Arm Time Variation in the M549A1 and M550 Escapements Melissa Rhode ARDEC Fuze Division The 155 mm M549/M549A1 HERA is a separate-loading munition with a two-part forged shell body. Differences in projectiles include wheelbase and total length, projectile w ll thickness, and boattail design. 999 1 MIL-DTL-50869 2 68 LATs over 9 years representing 3. But it’s nearing the end of the expected service life, he said. These projected-grenades have a High-Explosive-Anti-Tank (HEAT) Shaped-Charge (SC) effect designed to penetrate 51mm (2") and 76mm (3") of steel, respectively. 5 lb rocket motor located in the aft end of the projectile body. ” This claim is misleading. This determination was made for three projectile mix options (M107 or M549A1 R-on; M107 and M549A1 R-on; M107, M549A1 R- on, and R-off). Construction The M549 projectile's two primary sections are; the forward warhead and rear rocket motor. One user wrote, “The 155mm shell production in the USA. The XM1113 RAP uses rocket technology to deliver greater thrust to the round, when compared to its predecessor, the legacy M549A1. The M203 is used only with the M549A1 (TNT loaded) RAP, the M825 FELT WEDGE, and the M864 base bleed projectiles. It is noted, however, that the M795 and M549A1 projectiles are likely better munition options for large area targets. Apr 2, 2025 · Social media users are claiming to show 155mm artillery shell production in the U. Soldiers and Marines maintain battlefield overmatch. 8 kg) of TNT. NSN: 1320-01-047-6009 Pallet, wood unit package type, not included tracer element, included supplementary charge, adaptable proximity fuze adaptability, m549a1 model number, high explosive design type Aug 22, 2019 · The Army developed PGK for 155 mm, high-explosive projectiles (M795 and M549A1) with a threshold accuracy of 50 meters CEP and objective accuracy of 30 meters CEP. It contains 15 lbs of TNT explosive and a dual grain, 6. The new plug has an oversized (3-3/4 in. 998 1 MIL-DTL-32175 2 104 LATs over 9 years representing Apr 2, 2025 · This claim is misleading. AMTEC Reliability2 - . S. GD-OTS Munition Systems vice-president and general manager Jason Gaines said: “The XM1113 Rocket-Assisted Projectile brings enhanced performance to the battlefield, increasing lethality and extending the range for Jul 11, 2022 · The M549A1 has served the Army well. The grains are formulated from AHH propellant made in accordance with MIL-P-60432 and casting solvent (MIL-C-13609B). The M549A1 was examined to help bring additional depth in understanding the spectrum of available ranges for current artillery assets. It has been a very reliable high performing projectile. Army's conventional stockpile of 155-mm high explosive M549A1 and M795 MOBILITY Speed: 65 km / h Ground Clearance: 0. 155MM M549A1 HE-RAP High Explosive - Rocket Assisted Projectile The M549A1 is an extended range, rocket assisted high-explosive projectile for use in long range harassment and interdiction (H&I) fire missions. protests the award of contract to AMTEC Corporation by the Department of the Army, U. It is adaptable to existing stockpile of M795 and M549A1 high explosive 155mm projectiles. Dec 13, 2012 · The Precision Guidance Kit, or PGK, is a global positioning system guidance kit with fuzing functions that turns the U. It outlines requirements for materials, examinations, tests, and transportation vibration testing to ensure the fuze is not armed or damaged. 7 ounces of black powder and 1- ounce of CBI. The outer casing is a solid combustible material. The TOT capability results for each of the six combinations of TER and LER are given in Figures 2 through 7. The rocket motor is located in the aft end of the two-piece forged alloy projectile body. 9 Million units M549A1 PIBD Fuze The Specification Reliability Requirement1: M549A1 PIBD Fuze High Velocity - . The fuze must not be armed or have safety features missing after o the average weight of an M549A1. M203A1 Propellant Also a single increment base ignited charge. 4 days ago · Amendments to military specifications or specification sheets issued after August 1, 2003 are incorporated in the modified document. Army’s conventional stockpile of 155mm high explosive M549A1 and M795 cannon artillery projectiles to less than 50 meters CEP, regardless of range to the target. Enhance your collection or educational display with this inert 155mm M549 Rocket-Assisted High Explosive (HE-RAP) Projectile, paired with the M501A1 Fuze. ) flange. Sep 10, 2016 · The XM1113 Insensitive Munition High Explosive Rocket Assisted Projectile, or XM1113 RAP, will replace the aging M549A1 rounds produced in the 1970s and 1980s and help U. XM1113 Rocket-Assisted Projectile offers a 30% increase in range when compared to the US M549A1 round. IM FUZE DESIGN. Oct 16, 2017 · With lethality equal to the legacy M549A1 but exceeding its range by at least six miles, this projectile is under consideration as part of the C-DAEM suite of munitions. 1996. The warhead is constructed from HF-1 high fragmentation steel, whilst the rocket motor constructed from AISI 4340 Experiments were conducted on M549A1 High Explosive Rocket Assisted projectiles to evaluate the effects of thermal degradation and moisture on the delay assembly, and on the potential for premature rocket ignitions. txt) or read online for free. Hence, an integrated targeting plan may best optimize the force’s weapon systems against a near-peer adversary. This will enable current U. 2020, according to the video’s description. Jan 15, 2004 · Kaman Dayron, Inc. When fired from the planned future Extended Range Artillery Cannon (ERCA), the XM1113 will achieve ranges out to 70 The M549 is a US-developed, 155 mm, high explosive fragmentation (HE-frag) rocket assisted (HERA) artillery projectile, which is comprised of two primary sections and a fuze. The M549A1 Rocket Assisted Projectile was developed to provide extended range for standard and developmental howitzers. Please enable JavaScript to continue using this application. Army Joint Munitions Command, under request for proposals (RFP) No.