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Questions & Answers
Will this rail work in conjunction with the A.R.M.S. #40 L-P NSN 1005-01-625-3618 rear flip up sight? Expert Answer

That rear sight will mount to the receiver picatinny rail on a DPMS receivers or receivers that are 1.253" off bore center to top of receiver. Then the compatible front sight can be mount to the Precision Reflex .308 SPR DPMS Top Rail System.

by Hunter, Gear Expert, September 19, 2022
Customer Reviews
Most Recent Reviews
Top rail doesn’t fit? by Jake v, Verified Owner, March 8, 2025
When I think of quality, pri comes in tops. Oddly enough this doesn’t fit their own rails? Waiting on Pri- reflex n which part will fit. Sure it’ll get sorted.
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Product Info for Precision Reflex .308 SPR DPMS Receiver Top Rail System

Rail is constructed of T6 6061 hard coated black anodized aluminum. This rail has a full 1913 rail across the top. Rails come with mounting screws for attachment to forearm rail. The rail is 21in in length. Add .450in to the elevation of the receiver. There are 3 cross bolts that tie the top rail to the receiver and 4 #10-32 socket head screws and a bar nut that secures top rail to forearm. Top rail is designed to work with PRI round 308 forearms. This forearm is designed to work with DPMS receivers or receivers that are 1.253in off bore center to top of receiver.image

Specifications for Precision Reflex .308 SPR DPMS Receiver Top Rail System:

Manufacturer: Precision Reflex
Color: Black
Finish: Hard Coat Anodized
Fabric/Material: Aluminum
Cant: 0 MOA
Gun Make: AR Platform
Gun Model: AR-10
Width: 1.325 in
Height: 0.475 in

Features of Precision Reflex .308 SPR DPMS Top Rail System:

  • Rail is constructed of T6 6061 hard coated black anodized aluminum
  • This rail has a full 1913 rail across the top
  • Rails come with mounting screws for attachment to forearm rail
  • The rail is 21" in length
  • Add .450" to the elevation of the receiver
  • There are 3 cross bolts that tie the top rail to the receiver and 4 #10-32 socket head screws and a bar nut that secures top rail to forearm
  • Top rail is designed to work with PRI round 308 forearms
  • This forearm is designed to work withDPMSreceivers or receivers that are 1.253" off bore center to top of receiver.

Package Contents:

  • Precision Reflex .308 SPR DPMS Receiver Top Rail System

Precision Reflex .308 SPR DPMS Receiver Top Rail System Orderable Models

List of Orderable Models

  • Precision Reflex .308 SPR, DPMS Receiver Top Rail System, 15 inch, Black, 03-072-SPR-15D , MPN: 03-072-SPR-15D , UPC: 90222551015 , Code: 3AK-T8-SPR14D-03-072-SPR-15D
  • Precision Reflex .308 SPR, DPMS Receiver Top Rail System, 14 inch, Black, 03-072SPR-14D , MPN: 03-072-SPR-14D , UPC: 90222550995 , Code: 3AK-T8-SPR14D-03-072SPR-14D
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