M4 Rifle and Parts (5.56x45mm NATO)

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding solicitation 70B06C26Q00000082, clarifying requirements for rifle components, submission procedures, and contract eligibility.

• Deviations from Specs: Small deviations from published specifications (not Mil-Spec) may not lead to automatic disqualification but will be reviewed case-by-case for impact on performance. Vendors should document deviations.
• Mil-Spec Components: Only components specifically identified as Mil-Spec in the SOW are required to be Mil-Spec.
• Manufacturer Markings: Manufacturer markings on submitted rifles must be minimized or obscured. Minor marks from removal are acceptable and will not violate requirements. This applies only to submitted samples, not future production items.
• Small Business Set-Aside: This is a total small business set-aside. The non-manufacturer rule applies, requiring a small business offeror to manufacture 50% plus of the total cost of the end item or supply a product manufactured by another small business.
• ISO 900X Certification: Required only for entities directly involved in manufacturing, assembly, or fabrication of the weapon or its components. Distributors or resellers not involved in these activities do not need ISO certification but must clearly state their role.
• Trigger Requirements: For semi-automatic lower receivers, the intent is for them to be compatible with the same single-stage or two-stage trigger specified for select-fire configurations, but function only in semi-automatic mode. Target item part numbers are examples, not mandatory.
• Magazine Catch/Release: An ambidextrous magazine catch/release is required, as specified in SOW Section 4.6.25. The reference to an optional item will be removed.
• M-LOK Screw Length: M-LOK accessory screws must be short enough to clear the free-floated barrel and gas block. Modified screw lengths are permissible if they ensure reliable attachment and clearance, but other M-LOK dimensions must remain TDP-compliant.
• Proposal Submission Volumes: Volumes I, II, and III are required for submission; there is no Volume IV.
• Training Materials: Training materials (e.g., Armorer's Manual) are not required for proposal submission. Offerors must self-certify their ability to provide them if awarded.

These clarifications address specific questions about technical requirements, compliance, and submission details, providing vendors with a clearer understanding of the solicitation's expectations. No changes to due dates or evaluation factors were indicated.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Statement of Work (SOW) outlines the requirements for the procurement of M4-Style AR platform rifles, replacement parts, accessories, and armorer training for U.S. Customs and Border Protection (CBP).

• Procurement of complete M4-Style AR platform rifles chambered in 5.56x45mm NATO, including various configurations, complete upper and lower receiver assemblies, and all individual parts.

• All parts and components must be available as individual contract line items in bulk or separately.

• Armorer training to ensure designated agency armorers achieve and maintain OEM Armorer Certification.

• Provision of administrative and logistical support, including customer service, shipping, and invoicing.

• All parts, assemblies, and complete rifles must be interchangeable with MILSPEC M4 Style AR platform rifles and meet or exceed applicable U.S. military specifications.

• Specific performance standards include compatibility, reliability, accuracy, durability, and trigger weight.

• Reliability/durability testing will involve firing a minimum of 9,600 rounds per rifle assembly.

• The contract will have a five (5) year period of performance from the date of award.

• Training location to be determined within CONUS.

• Compliance with applicable U.S. military specifications (MILSPEC).

• Interchangeability with Colt brand M4A1 5.56mm Carbine components.

• Quality Control and Quality Assurance requirements, including ISO 900X certification.

• Vendor must provide warranty information and a single point of contact for warranty claims.

• Packaging and labeling must meet carrier acceptance and safe delivery standards.

• Production capacity of 1,000 complete rifles per month is required.

• Optional items may include Personal Defense Weapons (PDWs), Ambidextrous Magazine Release, and Specialty Coated Bolt Carrier Groups.

Amendment / Modification

This amendment to Request for Proposal (RFP) 70B06C26Q00000082 makes the following changes:

• Statement of Work (SOW) Revision: Incorporates revised Statement of Work Revision 3 dated 5-20-2026. This includes:

  • Addition of a web link to section 3.3.6.
  • Corrections to sections 4.3.4.i & l., 4.3.5.h & k., and 4.5.4.a., 4.6.8.b.
  • Correction of numbering for sections 6.5, 6.6, and 6.7.

• Instructions to Offerors: Revises section III.10 to add "Stripped Lower Receiver Select Fire and Semi" to section 4 (Proposal Preparation and Content, Volume I, Components).

• Responses to Questions: Provides attached responses to vendor questions.

• Statement of Work (SOW) Revision 3

• Section III.10 Instructions to Offerors

• Section 4 (Proposal Preparation and Content, Volume I, Components)

• The period for question submission is now closed.

• There is no change to the proposal response date and time.

• All other terms and conditions remain the same.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Statement of Work (SOW) outlines the requirements for the procurement of M4-Style AR platform rifles, replacement parts, and accessories for the U.S. Customs and Border Protection (CBP).

• Procurement of complete M4-Style AR platform rifles chambered in 5.56x45mm NATO.

• Provision of various configurations of complete rifles, complete upper receiver assemblies, complete lower receiver assemblies, and all individual parts.

• All parts and components must be available as individual contract line items in bulk or separately.

• Includes a comprehensive list of all parts comprising each complete rifle.

• Armorer training is required to ensure designated agency armorers achieve and maintain OEM Armorer Certification.

• Vendor shall provide administrative and logistical support, including customer service, shipping, handling, and invoicing/payment support.

• Vendor must provide manufacturer's performance and technical specifications for required items not otherwise specified.

• All parts, assemblies, and complete rifles must be interchangeable with MILSPEC M4 Style AR platform rifles.

• Compliance with Military Specifications (MILSPEC) for design, material, manufacturing, and performance.

• Interchangeability and compatibility with Colt brand M4A1 5.56mm Carbine components.

• Performance requirements must meet or exceed referenced military standards for durability, reliability, corrosion resistance, and operational effectiveness.

• Rigorous quality control and assurance processes are required.

• Documentation and traceability of MILSPEC compliance must be supported.

• Specific performance standards for accuracy, reliability/durability, and frangible ammunition compatibility are detailed.

• The contract will have a five (5) year period of performance from the date of award.

• Deliveries will be to addresses specified in a delivery location spreadsheet provided at award.

• Items shall be shipped within 60 calendar days after receipt of order (ARO), unless otherwise specified.

• Applicable documents include CBP Use of Force Policy, ASTM E1444, and various US Army and DoD technical manuals and specifications.

• All parts must be manufactured, constructed, and assembled in accordance with applicable U.S. military specifications or standards, unless specifically noted.

• Vendor must be certified by an authorized registrar for ISO 900X series standards.

• Vendor must provide a warranty for all products for one year of acceptance, and a five-year shelf life guarantee.

• Optional items may be offered, including Personal Defense Weapons (PDWs), Ambidextrous Magazine Release, and Specialty Coated Bolt Carrier Group, which must meet specified technical requirements.

Amendment / Modification

• Incorporates the revised Statement of Work (SOW) Revision 2, dated 5-4-2026.

• Corrects the barrel marking in section 4.3.1.h of the SOW.

• Eliminates the low profile QD adapter in section 4.7.3.a of the SOW.

• Statement of Work (SOW) Revision 2, specifically sections 4.3.1.h and 4.7.3.a.

• All other terms and conditions remain the same.

• There is no change to the response date and time.

Amendment / Modification

This amendment to Request for Proposal (RFP) 70B06C26Q00000082 makes the following changes:

• Incorporates Revised Statement of Work (SOW): A revised SOW dated 04/27/2026 is now included.

• Revises Section III.10 Addendum to 52.212-1: This section, "Instructions to Offerors," has been updated. Specifically, the revision eliminates the "Frangible Ammunition Compatibility Testing" requirements previously found under Part D.

• Statement of Work (SOW)

• Section III.10 Addendum to 52.212-1, Instructions to Offerors (specifically Part D regarding Frangible Ammunition Compatibility Testing).

• The response date and time for proposals remain unchanged.

• All other terms and conditions of the original solicitation remain the same.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Statement of Work (SOW) outlines the requirements for the procurement of M4-Style AR platform rifles, replacement parts, accessories, and armorer training for U.S. Customs and Border Protection (CBP).

• Procurement of complete M4-Style AR platform rifles chambered in 5.56x45mm NATO, including various configurations.

• Provision of all associated parts and accessories, available as individual contract line items.

• Comprehensive schedule of supplies detailing all parts comprising each complete rifle.

• Inclusion of armorer training to ensure OEM Armorer Certification.

• Provision of administrative and logistical support, including customer service, shipping (FOB destination), and invoicing.

• All parts and assemblies must be interchangeable with MILSPEC M4 Style AR platform rifles.

• Compliance with Military Specifications (MILSPEC) for design, material, manufacturing, and performance.

• Interchangeability and compatibility with Colt brand M4A1 5.56mm Carbine components.

• Performance requirements must meet or exceed referenced military standards for durability, reliability, and corrosion resistance.

• Rigorous quality assurance and testing processes are required.

• Accuracy, trigger weight, and reliability/durability testing protocols are detailed.

• Compatibility with specific ammunition types, including frangible ammunition, is required.

• The contract will have a five (5) year period of performance from the date of award.

• Deliveries will be to addresses specified in a delivery location spreadsheet.

• Applicable documents include CBP Use of Force Policy, ASTM E1444, and various US Army and DoD technical manuals and specifications.

• Vendors must be certified by an authorized registrar for ISO 900X standards.

• Government may conduct random Quality Assurance testing.

• Vendors must provide a warranty for products.

• Specific packaging, labeling, and shipping requirements are detailed.

• Vendor must maintain capacity to manufacture or acquire 1,000 complete rifles per month.

• Reporting requirements include quarterly delivery order and warranty work reports.

• All work is unclassified but may require secure handling of information designated "For Official Use Only" (FOUO).

• Optional items may be offered, including Personal Defense Weapons (PDWs), Ambidextrous Magazine Release, and Specialty Coated Bolt Carrier Group, which must meet specified technical requirements.

Form / Attachment / Pricing Sheet

This document is Attachment 2, a Pricing Sheet, for solicitation 70B06C26Q00000082. It is intended for offerors to complete and submit their pricing for the items specified.

• The sheet lists various rifle components and assemblies, categorized by Statement of Work (SOW) sections (e.g., 4.1.1 Standard Duty Rifle, 4.2.1 Upper Receiver Assembly).
• For each item, offerors are to provide Manufacturer, Model, Part #, Unit Cost Each, and Estimated Quantity for up to five years.
• Columns are provided for Year 1 Total, Year 2 Total, Year 3 Total, Year 4 Total, and Year 5 Total.
• The document explicitly instructs offerors to insert Manufacturer name, Model, Part #, and pricing for each item per pricing period.
• Quantities listed are estimates for pricing assistance.

This pricing sheet is critical for bidders to understand the specific components and estimated quantities required for the opportunity. Bidders must accurately complete this form with their proposed pricing to be considered for award. The structure of this sheet will directly influence how proposals are evaluated based on cost.

Solicitation / RFP / RFQ

This solicitation, RFP 70B06C26Q00000082, is for the acquisition of M4-style rifle platforms and parts. The U.S. Customs and Border Protection (CBP) intends to award a single Indefinite Delivery/Indefinite Quantity (ID/IQ) contract with a five-year ordering period. The acquisition will be conducted using Federal Acquisition Regulation (FAR) Parts 12 and 15, and incorporates DHS Class Deviations.

• The core of the requirement is for M4-style rifle platforms and associated parts.

• Detailed specifications, Statement of Work (SOW), and Performance Work Statement (PWS) are provided in attachments.

• The solicitation includes extensive testing requirements for technical evaluation, including function tests, interoperability, trigger pull tests, precision grouping (accuracy), reliability/durability testing, and user interface assessment.

• Contract Type: Indefinite Delivery/Indefinite Quantity (ID/IQ)

• Period of Performance: Date of award through 60 months from date of award (5 years total). Delivery orders may have a period of performance of 12 months beyond the contract's period of performance.

• Minimum Guarantee: $10,000.00

• Maximum Amount: $49,900,000.00 (inclusive of all anticipated delivery orders)

• Delivery Orders will be Firm Fixed Price (FFP).

• Proposal Due Date: June 9, 2026, at 2:00 PM ET.

• Questions Due Date: May 21, 2026, at 2:00 PM ET.

• Offers must be submitted in two volumes: Volume I (Technical Proposal - Phase I) and Volume III (Price Proposal - Phase II).

• Evaluation will be based on technical factors (non-price) and price. Technical factors are significantly more important than price.

• The evaluation process includes multiple phases: Phase I (Pass/DQ, Score/DQ), Phase II (Score/DQ), and a down-select process.

• Award will be made to the responsible Offeror whose proposal represents the best value to the Government.

• This acquisition is a Small Business Set-Aside.

• NAICS Code: 332994 (Small Arms, Ordnance, and Ordnance Accessories Manufacturing), Size Standard: 1000 Employees.

• Potential offerors must register at sam.gov to receive notifications and changes.

• All interested parties must be registered in the System for Award Management (SAM).

• Specific instructions regarding proposal submission, content, and format are detailed in the solicitation.

• Attachments include Statement of Work (SOW) and Pricing Sheet.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Statement of Work (SOW) outlines the requirements for the procurement of M4-Style AR platform rifles, replacement parts, and accessories for the U.S. Customs and Border Protection (CBP) and other Department of Homeland Security (DHS) components.

• Procurement of complete M4-Style AR platform rifles chambered in 5.56x45mm NATO.

• Provision of various configurations of complete rifles, complete upper and lower receiver assemblies, and individual parts.

• All parts and components must be available as individual contract line items in bulk or separately.

• Includes a comprehensive list of all parts comprising each complete rifle.

• Armorer training is required to ensure designated agency armorers achieve and maintain OEM Armorer Certification.

• Vendor must provide administrative and logistical support, including customer service, shipping, handling, and invoicing.

• All parts, assemblies, and complete rifles must be interchangeable with MILSPEC M4 Style AR platform rifles.

• Submissions must conform to specified technical requirements and applicable U.S. military specifications (e.g., MIL-DTL-71186B).

• Performance requirements include durability, reliability, corrosion resistance, and operational effectiveness.

• Rigorous quality control and assurance processes are mandated.

• Specific performance standards for accuracy, reliability/durability testing, and frangible ammunition compatibility are detailed.

• The contract will have a five (5) year ordering period from the date of award.

• Deliveries will be to addresses specified in a delivery location spreadsheet.

• Items are to be shipped FOB Destination.

• Compliance with Military Specifications (MILSPEC) is mandatory.

• Parts must be interchangeable with Colt brand M4A1 5.56mm Carbine components.

• Vendor must provide manufacturer's performance and technical specifications for required items.

• Applicable documents include CBP Use of Force Policy, ASTM E1444, and various US Army and DoD technical manuals and specifications.

• Optional items may include Personal Defense Weapons (PDWs), Ambidextrous Magazine Release, and Specialty Coated Bolt Carrier Group.