Solicitation

W15QKN25R0004: 60mm (M27), 81mm (M24 and M28), 120mm (M31) Mortar Tail Fins

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28 May 2025:The purpose of this Notice revision is to post the released Amendment 0004 under Request for Proposal (RFP) W15QKN-25-R-0004.  The purpose of Amendment 0004 is to extend the RFP response date FROM Wednesday, 28 May 2025, 2:00 pm Eastern Daylight Time (EDT) TO Monday, 9 June 2025, 1:00 pm Eastern Daylight Time (EDT). Note: This will be the last proposal extension for this Solicitation.--------------------------------------------------------------------------------------------------------------------20 May 2025:The purpose of this Notice revision is to post the released Amendment 0003 under Request for Proposal (RFP) W15QKN-25-R-0004. The purpose of Amendment 0003 is to revise the IMS date in Paragraph M.3.5.a, to incorporate the updated CDRLs A006 and A012 in Exhibit A, and to update Section J to include Attachment 0012 – Drawing 9287837.NOTE 01: If viewing this notice revision in SAM.gov, utilize the link titled “PIEE Solicitation Module Link for W15QKN25R0004”, for Amendment 0003 and updated attachments/exhibit.  The PIEE link is located in the Attachments/Link section of this notice. ---------------------------------------------------------------------------------------------------------------------6 May 2025: The purpose of this Notice revision is to post Industry Question Set 4. Any changes stated within Question Set 4 will be in a forthcoming amendment to the Request for Proposal (RFP) W15QKN-25-R-0004.     --------------------------------------------------------------------------------------------------------------------30 April 2025:The purpose of this Notice revision is to post the released Amendment 0002 under Request for Proposal (RFP) W15QKN-25-R-0004.  The purpose of Amendment 0002 is to extend the RFP response date FROM Monday, 12 May 2025, 2:00 pm Eastern Daylight Time (EDT) TO Wednesday, 28 May 2025, 2:00 pm Eastern Daylight Time (EDT). --------------------------------------------------------------------------------------------------------------------21 April 2025:The purpose of this Notice revision is to post Industry Question Set 3. Any changes stated within Question Set 3 will be in a forthcoming amendment to the Request for Proposal (RFP) W15QKN-25-R-0004.--------------------------------------------------------------------------------------------------------------------11 April 2025:The purpose of this Notice revision is to post the released RFP W15QKN-25-R-0004, to post the released Amendment 0001 under RFP W15QKN-25-R-0004, and to post an updated Attachment 0002. Amendment 0001 is in response to the USG Responses to Industry Question Sets 1 and 2, posted 8 April and 10 April 2025.NOTE 01: Utilized the released RFP W15QKN-25-R-0004 when submitting proposals for this effort.NOTE 02: The RFP response date has been extended to Monday, 12 May 2025, 2:00 pm Eastern Daylight Time. The updated response deadline has been included in Block 11 of the Standard Form (SF) 30 in the released Amendment 0001.------------------------------------------------------------------------------------------------------------------10 April 2025:The purpose of this Notice revision is to post Industry Question Set 2. Any changes stated within Question Set 2 will be in a forthcoming amendment to the Request for Proposal (RFP) W15QKN-25-R-0004.------------------------------------------------------------------------------------------------------------------8 April 2025:The purpose of this Notice revision is to post Industry Question Set 1. Any changes stated within Question Set 1 will be in a forthcoming amendment to the Request for Proposal (RFP) W15QKN-25-R-0004.------------------------------------------------------------------------------------------------------------------In support of the Project Manager, Combat Ammunition Systems (PM CAS), the U.S. Army Contracting Command-New Jersey (ACC-NJ), located at Picatinny Arsenal, NJ, hereby issues a Request for Proposal (RFP) for the manufacture, test, packaging, and delivery of the 60mm (M27),81mm (M24 and M28), 120mm (M31) Mortar Tail Fins. These Tail Fins are components of the 60mm, 81mm and 120mm Mortar Cartridge variants, High Explosive (HE), Full Range Practice Cartridge (FRPC), and Illumination and Smoke items.M27 Mortar Fin: The M27 Mortar Tail Fin Assemblies support the 60mm family of HE, Training, Smoke and Illumination Mortar Cartridge Programs. The one-piece M27 Fin is 5.40 inch (in.) long and 2.375 in. in diameter at the fin blades. The fin is made of 2014-T65 or 6070- T6 aluminum (Spec. ASTM B221). Six (6) individual blades are extruded at the end of the boom. Each blade is precisely canted at 5 degrees. The center of the fin is hollow and threaded at the end so the M702 Ignition Cartridge can be inserted and secured in the fin. Flash holes are drilled in the hollow section of the boom to vent gas and flame from the M702 Ignition Cartridge.M24 Mortar Fin: The M24 Mortar Tail Fin Assemblies support the 81mm family of HE, Training, Smoke and Illumination Mortar Cartridge Programs. The assemblies are a two-piece design (fin component pressed fit onto the housing component). The M24 assembly is 7.4 in. long and 3 in. in diameter at the fin blades. The M24 fin components are made from aluminum Alloy (Spec ASTM B221, hollow extrusions not permitted) and the M24 housing components from Aluminum 7075-T6 (Die Forging, Spec ASTM B247 or Rod, Spec ASTM B211or B221). Both the M24 fin and housing components are also anodized (Finish 7.2.1 of MIL-STD-171, shall withstand a 336-hour salt spray test for First Article Parts and 96-hour Salt Spray Test during production). Six (6) individual blades are extruded at the end of the boom. Each blade is precisely canted at 5 degrees, 17 minutes. The center of the M24 fin component is hollow and threaded at the end so that the M299 ignition cartridge can be inserted and secured in the fin. Flash holes are drilled in the hollow section of the boom to vent gas and flame from the M299 Ignition Cartridge.M28 Mortar Fin: The M28 Mortar Tail Fin Assemblies support the 81mm family of HE, Training, Smoke and Illumination Mortar Cartridge Programs. The assemblies are a two-piece design (fin component pressed fit onto the housing component). The M28 Assembly is 8.545 in. long and 3.150 in. in diameter at the fin blades. The M28 fin components are made from Extruded Aluminum Allow 2014-T4 (Spec ASTM B221) and the M28 housing components from Aluminum Alloy Bar 7075-TT76 (Spec ASTM B221). Both the M28 fin and housing components are also anodized (finish 7.2.1 of MIL-STD-171, shall withstand a 336-hour salt spray test for first article parts and 96-hour Salt Spray Test during production). Six (6) individual blades are extruded at the end of the boom. Each blade is precisely canted at 4 degrees, 46 minutes. The center of the M28 fin component is hollow and threaded at the end so that the M752A1 Ignition cartridge can be inserted and secured in the fin. Flash holes are drilled in the hollow section of the boom to vent gas and flame from the M752A1 Ignition Cartridge.M31 Mortar Fin: The M31 Mortar Tail Fin Assemblies support the 120mm family of mortar items. The 120mm M31 Tail Fin is an eight-bladed two-piece (fin and tube) fin assembly approximately 9.25 inches long and 4.75 inches in diameter at the blades. The fin component is machined from an extrusion of 2024-T8511 aluminum, and the tube is machined from a seamless extruded tube, extruded rod or alloy rod rolled 2024-T3511 aluminum. The tube center is hollowed to allow insertion of an ignition cartridge. The 120mm M31 Tail Fin assembly is anodized (Finish 7.2.1 of MIL-STD-171, shall withstand a 336-hour salt spray test for first article parts and 96-hour Salt Spray Test during production).

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KO CONTRACTING OFFICE BUILDING 10 PHIPPS RD PICATINNY ARSENAL  NJ  07806-5000 PICATINNY ARSENAL NJ 07806-5000 USA

A Material Safety Data Sheet (MSDS) must be attached to offer submissions in accordance with FAR Clause 52.223-3.

Attachments

Name	Number	File/URL	Date	Document Type	Include in Response
Amendment_0004_under_RFP_W15QKN_25_R_0004___released_28_May_2025		Amendment_0004_under_RFP_W15QKN_25_R_0004___released_28_May_2025.pdf	2025-05-28	Attachment	No

Update / Notice

Update / Notice ID	Description	Posted Date	Response Date
0003	20 May 2025:The purpose of this Notice revision is to post the released Amendment 0003 under Request for Proposal (RFP) W15QKN-25-R-0004. The purpose of Amendment 0003 is to revise the IMS date in Paragraph M.3.5.a, to incorporate the updated CDRLs A	2025/05/21 17:41 UTC	2025-05-28 14:00 Eastern Daylight Time
0002	30 April 2025:The purpose of this Notice revision is to post the released Amendment 0002 under Request for Proposal (RFP) W15QKN-25-R-0004. The purpose of Amendment 0002 is to extend the RFP response date FROM Monday, 12 May 2025, 2:00 pm Eastern Da	2025/04/30 19:10 UTC	2025-05-28 14:00 Eastern Daylight Time
0001	11 April 2025:The purpose of this Notice revision is to post the released RFP W15QKN-25-R-0004, to post the released Amendment 0001 under RFP W15QKN-25-R-0004, and to post an updated Attachment 0002. Amendment 0001 is in response to the USG Response	2025/04/11 15:18 UTC	2025-05-12 14:00 Eastern Daylight Time
W15QKN25R0004	In support of the Project Manager, Combat Ammunition Systems (PM CAS), the U.S. Army Contracting Command-New Jersey (ACC-NJ), located at Picatinny Arsenal, NJ, hereby issues a Request for Proposal (RFP) for the manufacture, test, packaging, and deliv	2025/03/27 18:09 UTC	2025-04-28 14:00 Eastern Daylight Time