BOAST RFOP - BREECH LOCK, SELECTOR, NSN: 1005-01-629-5635, 1005-01-629-5635, 1005-01-536-5640, 1005-01-536-5643, 1005-01-629-6807, 1005-01-629-5685, 1005-01-629-6801, 1005-01-629-5688, 1005-01-629-5684,1005-01-629-7417,1005-01-629-6783.

AMENDMENT 0003: Effective 29 June 2026, the Government hereby issues Amendment 0003 to RFOP BREECH LOCK to execute technical updates and extend the proposal submission deadline. Under this amendment, the part number associated with National Stock Number (NSN) 1005-01-629-5684 is updated from 130227998 to 130227998-1, a change that is fully reflected under Contract Line Item Numbers (CLINs) 0008, 1008, and 2008 in the BOAST RFOP.

Additionally, this action corrects an error in Amendment 0002 to clarify that Part Number 13028648 correlates with NSN 1005-01-629-5643 rather than NSN 1005-01-629-5684. To accommodate these technical adjustments, the Government is formally extending the Proposal Due Date from 29 June 2026 at 1:00 PM EDT to 01 July 2026 at 1:00 PM EDT. As a result of these revisions, all prior versions of the RFOP are hereby rendered void. All other terms and conditions remain unchanged.

AMENDMENT 0002: Effective 24 JUNE 2026, the Government has issued Amendment 0002 to RFOP BREECH LOCK to revise a typo on BOAST RFOP and the QA under part number on NSN: 1005-01-629-5684 from Part Number 13926848 to Part Number 13028648. This update is reflected under CLINS 0003,1003, and 2003 in the BOAST RFOP. All previous versions of the RFOP are hereby void. Offerors are required to base their proposals on the amended RFOP document attached to this notice. All other terms and conditions remain unchanged.

AMENDMENT 0001: Effective 02 JUNE 2026, the Government has issued Amendment 0001 to RFOP BREECH LOCK to incorporate the QA log and update the part number on NSN:

1005-01-536-5643 from Part Number:

13028639 to Part Number: 13926848. Additionally, Update the part number on NSN: 1005-01-629-5684 from 130227998 to 13027998. All previous versions of the RFOP are hereby void. Offerors are required to base their proposals on the amended RFOP document attached to this notice. All other terms and conditions remain unchanged.

1. INTRODUCTION: Army Contracting Command - Detroit Arsenal (ACC-DTA) is issuing this Request for Order Proposal (RFOP) under the Basic Ordering Agreement Sustainment Track (BOAST) program. This is a Total Small Business Set-Aside competitive action intended for all active BOAST Basic Ordering Agreement (BOA) holders. To be eligible for award, a vendor must have a fully executed BOA in place by the closing date and time specified in the attached RFOP. The Government intends to award a Firm-Fixed-Price Order for the following requirement:

2. REQUIREMENT DETAILS:

Noun:BREECH LOCK, SELECTOR NSN: 1005-01-629-5635, 1005-01-629-5635, 1005-01-536-5640, 1005-01-536-5643, 1005-01-629-6807, 1005-01-629-5685, 1005-01-629-6801, 1005-01-629-5688, 1005-01-629-5684,1005-01-629-7417,1005-01-629-6783.

Part Number: 13027998-2130286431302863913027998-813027998-613027998-413027998-513022799813027998-313027998-7 Quantity:

1994 Option:

1994 Inspection/Acceptance:

Origin FOB:

Destination NAICS:

336412 3. EXPORT CONTROL NOTICE:

[INSTRUCTION: Keep this section ONLY if the item is export-controlled. Delete if not applicable.] THIS ITEM IS EXPORT CONTROLLED. The solicitation will incorporate an Export Controlled Technical Data Package (TDP). Access to the TDP will require vendors to be certified in the Joint Certification Program (JCP). If you are not registered in the JCP, or your certification has expired, please mail DD Form 2345 to:

U.S./Canada Joint Certification Office Defense Logistics Information Service Federal Center, 74 Washington Ave., North Battle Creek, MI USA 49037-3084 4. SOLICITATION & AMENDMENT INFORMATION: This RFOP and any subsequent amendments will be issued electronically via this SAM.gov posting. The Government is under no obligation to maintain a vendor mailing list. It is incumbent upon any interested parties to periodically access this notice to obtain any amendments which may be issued. Failure to obtain and respond to any amendments prior to the closing date may render your proposal unacceptable.

5. PROPOSAL INSTRUCTIONS & EVALUATION CRITERIA: All instructions for proposal submission, evaluation criteria (e.g., Price Only, LPTA, or Tradeoff), and order-specific clauses are contained entirely within the attached BOAST RFOP document. Offerors shall review the attached RFOP in its entirety to prepare their proposal.

6. NOTICE TO VENDORS WITHOUT A BOAST BOA: If your company is interested in competing for this or future Class IX sustainment requirements but does not currently hold a BOAST Basic Ordering Agreement, you are highly encouraged to join the program. The BOAST program utilizes a Continuous On-Ramp, allowing qualified vendors to establish an agreement at any time. For full instructions on how to submit a proposal to establish a BOA, please refer to the official BOAST On-Ramp Announcement on SAM.gov (Notice ID: W912CH-26-R-0001). Please note that an executed BOA must be in place prior to the closing date of this specific RFOP to be considered for award.