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Questions & Answers
Is this compatible with SP5? Expert Answer

The Magpul Industries MP BSL Arm Brace would be compatible with an SP5, unfortunately, this product is no longer available on our site.

by Ethan, Gear Expert, March 13, 2023
Will this fit on a PTR 9KT? Expert Answer

The Magpul Industries MP BSL Arm Brace for HK94/MP5 might work with the PTR 9KT. However I recommend contacting Magpul to confirm compatibility and the Magpul Industries MP BSL Arm Brace for HK94/MP5 is no longer available on our site.

by Hunter, Gear Expert, July 20, 2023
Customer Reviews
Helpful Positive Review
Fits perfect by Buddy, April 27, 2026
Fits nice and snug with zero play extended. Swaps out in less than a minute for easy configuration changes
1/1 found this helpful
Helpful Negative Review
So I'm mixed on this brace. It fit my AP5 perfect and is very well made. I love the button system so much over the lever system of the SB brace and HK style. It is also super light, maybe the lightest brace for the MP5. It's mostly plastic build, wit...
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5/12 found this helpful
Most Recent Reviews
decent for the money by rcrow20, Verified Owner, May 27, 2026
Fit without any modification, but does seem loose compared to my sb side folder. Rear pin rattles a bit when fully installed, the telescoping mechanism works well and I like how compact is stays. For the money I would recommend it for range use but I...
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Read All 3 Reviews
Color:
Black
Gun Type:
Carbine
Length:
10.5 in
Stock/Brace Material:
Metal, Polymer

Code: 55-SBC-MI94AB-MAG1072

MPN: MAG1072

UPC: 840815132141

Final Sale
List: $159.95Save $8.00
$151.95

Product Info for Magpul Industries MP BSL Arm Brace for HK94/MP5

The BSL Arm Brace – HK94/MP5 installs onto MP5 style pistols to deliver a collapsible fin-style stabilizing brace for one-armed firing. The extended fin provides solid contact with the forearm of the trigger hand, and the adjustment latch provides one-handed adjustment for a custom fit. An integral QD socket at the rear of the brace gives a true ambidextrous sling attachment point, and an additional M-LOK slot gives more options for mounting a sling.image

All ATF, NFA, state and local rules and laws apply.

*NOTE:

NOT compatible with HK91/G3 pattern firearms, “K-Length” receivers, or .22LR variants.

Does not work for MP5K or SP5K or “clone K pistols”

Specifications for Magpul Industries MP BSL Arm Brace for HK94/MP5:

Manufacturer: Magpul Industries
Color: Black
Gun Type: Carbine
Length: 10.5 in
Stock/Brace Material: Metal, Polymer
Gun Model: Heckler & Koch HK94, Heckler & Koch MP5
Gun Make: Heckler & Koch
Width: 2.3 in
Height: 6.5 in

Features of Magpul Industries MP BSL Arm Brace for HK94/MP5

  • Installs onto HK94/MP5 style pistols to provide an adjustable fin-style brace for one-armed firing
  • Designed to conform with HK MP5 aesthetics to preserve classic appearance
  • Adjustment button can be operated with one hand for fast, easy changes to overall length
  • Extended fin provides solid support against the forearm of the firing hand
  • Rear QD sling mount allows for ambidextrous sling attachment and aids using tension to stabilize the pistol by pushing forward against the sling
  • One M-LOK slot provides additional sling mount location
  • Made of durable Magpul polymer for hard use

Package Contents:

  • Magpul Industries MP BSL Arm Brace for HK94/MP5

Magpul Industries MP BSL Arm Brace for HK94/MP5 Orderable Models

List of Orderable Models

  • Magpul Industries MP BSL Arm Brace for HK94/MP5, Adjustable, Black, MAG1072 , MPN: MAG1072 , UPC: 840815132141 , Code: 55-SBC-MI94AB-MAG1072
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Last updated 2026-11-01 UTC.