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Questions & Answers
Is this Product made in the USA? Expert Answer

Please reach out to the manufacturer directly for more information.

by Brandon B, Gear Expert, October 20, 2021
Customer Reviews
Helpful Positive Review
Time tested solid stock. by Yorge, Verified Owner, September 22, 2022
What can I say? It's a solid gen 1 SOPMOD stock. Wether you are building a block 1 clone pr just want a good stock with batt storage this will do the trick. Excellent cheek weld and rubber butt pad ...
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3/4 found this helpful
Most Recent Reviews
I just assumed these all came with the qd female insert. You know what assumed means! Of course it doesn’t! But five buck’s and some JB Weld for insurance and it does now! I should have looked closer! My bad. Five stars if not for that! The good thin...
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0/1 found this helpful
Most Recent Reviews
The barometer of stocks. by Jake v, Verified Owner, March 8, 2025
B5 makes quality gear that obviously apparently. Most I know love their stocks. At any given range most are ruining these stocks.
Most Recent Reviews
B5 Systems SOPMOD Govt by Lrok78, Verified Owner, August 25, 2024
Fit and finish are excellent, bought the black version for my Colt M4 SOPMOD Block I clone and will get the coyote brown for the Block II.
Most Recent Reviews
B5 Systems SOPMOD Government Stock by Vet, December 14, 2023
The B5 Systems SOPMOD stock fit and construction is very good. There is a reason many Military Units use this stock on their rifles. It fit almost too perfectly on a Premium Geissele six position buffer tube. It is much tighter than the Colt M-4A1 st...
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0/1 found this helpful
Most Recent Reviews
B5 Sopmod Stock by Dan, December 21, 2023
Seems great. Large cheek weld, looking forward to running it on my 300 blackout.
0/1 found this helpful
Read All 8 Reviews
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made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for B5 Systems Sopmod Stock - Govt Version

The B5 SOPMOD Stock allows you to adapt the buttstock to your personal preference. Whether you like the compactness or the adjustability, either way this stock is an easy upgrade for any shooter. Manufactured with the same dimensions as a Mil Spec buttstock it allows you to install the stock in any configuration to match your shooting style. With several attachment options the SOPMOD stock allows you the adjustability and functionality you need. The locking notch on the buttstock allows for easy installation whether you are shooting the gun with or without a brace. Once installed the buttstock forms an integral part of your firearm, making it an integral part of you!image

WARNING: California`s Proposition 65

Specifications for B5 Systems Sopmod Stock - Govt Version:

Manufacturer: B5 Systems
Gun Model: AR-15, AR-10
Gun Type: Rifle
Number of Sling Points: 4
Weight: 11.5 oz
Length: 7.4 in
Condition: New
Buffer Tube Size: Mil-Spec
Country of Origin: USA
Fabric/Material: Polymer

Features of B5 Systems Sopmod Stock - Govt Version

  • Ergonomic Cheek Weld
  • Color Matched Steel Hardware
  • Dual Water Resistant Storage Compartments
  • Fixed Sling Mounts 
  • Cushioned Non-slip Buttpad with Built in M4 Multitasker® Tool Holder (tool sold separately)
  • Sure Grip Stock Latch
  • Made of MIL-SPEC Materials and Finishes
  • Fits MIL-SPEC Carbine Receiver Extensions

Package Contents:

  • B5 Systems Sopmod Stock - Govt Version

B5 Systems Sopmod Stock - Govt Version Orderable Models

List of Orderable Models

  • B5 Systems Sopmod Stock - Govt Version, Coyote Brown, SOP-1352 , MPN: SOP-1352 , UPC: 814927022454 , Code: 24X-BSC-B5S740-SOP-1352
  • B5 Systems Sopmod Stock - Govt Version, Black, SOP-1351 , MPN: SOP-1351 , UPC: 814927022447 , Code: 24X-BSC-B5S740-SOP-1351

B5 Systems Sopmod Stock - Govt Version Unavailable & Discontinued Models

List of Unorderable Models

  • USED, B5 Systems SOPMOD Stock, Government Version, Black, SOP-1351 , MPN: SOP-1351-EDEMO , Code: 24X-BSC-B5S740-SOP-1351-EDEMO-IN-D
  • USED B5 Systems SOPMOD Stock, Government Version, Black, SOP-1351, EDEMO12, Condition Fair, Used , MPN: SOP-1351-EDEMO12 , Code: 24X-BSC-B5S740-SOP-1351-EDEMO-US-D
  • USED B5 Systems SOPMOD Stock, Government Version, Black, SOP-1351, EDEMO9, Used, Condition Fair , MPN: SOP-1351-EDEMO9 , Code: 24X-BSC-B5S740-SOP-1351-EDEMO9
  • USED, B5 Systems SOPMOD Stock, Government Version, Black, SOP-1351 , MPN: SOP-1351-EDEMO , Code: 24X-BSC-B5S740-SOP-1351-EDEMO-SC-B
  • USED B5 Systems SOPMOD Stock, Government Version, Black, SOP-1351, EDEMO11, Used, Condition Good , MPN: SOP-1351-EDEMO11 , Code: 24X-BSC-B5S740-SOP-1351-EDEMO11
  • USED B5 Systems SOPMOD Stock, Government Version, Black, SOP-1351, EDEMO10, Used, Condition Like New , MPN: SOP-1351-EDEMO10 , Code: 24X-BSC-B5S740-SOP-1351-EDEMO10
  • USED B5 Systems SOPMOD Stock Government Version, Black, Mil-Spec, SOP-1351, EDEMO5, Condition Fair, Other , MPN: SOP-1351-EDEMO5 , Code: 24X-BSC-B5S740-SOP-1351-EDEMO-OT-D
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