Product Description
Adapter for attaching stocks and braces with a 1913/picatinny style rail mount.
Fits: HK/UMAREX MP5 .22LR pistols and rifles. Will NOT fit regular MP5s or clones.
- Adapter is manufactured from Nylon using a process called Multi Jet Fusion or MJF. The parts are then sandblasted, dyed and shotpeened for a strength and finish that is comparable to injection molded nylon. The part is black throughout.
- The rail included may be a Haga Defense 5-Slot aluminum MLOK rail or a Magpul 5-Slot polymer MLOK rail.
Stock/Brace NOT included. You can find a few options available on the Stocks and Braces page.
DISCLAIMERS: Customer is responsible for being aware of local, state, and federal laws regarding the use of this product. Customer is also responsible for maintining a Length of Pull (distance from the front of the trigger to the back of the brace) of less than 13.5" as currently required by the ATF.
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Product Reviews
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1913 ADAPTER FOR HK MP5 22LR
Very well made...Not an H&K endcap with a picatinny slapped on...Color match is spot on...Nice tight fit...Install super easy & quick!
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1913 ADAPTER FOR HK MP5 22LR
Perfect fit! Great solution! Installs in minutes…
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1913 ADAPTER FOR HK MP5 22LR
The adapter slipped on easily with no play and the Gearworks 1913 Picatinny folding brace fit perfectly. (Note: I have not yet fired the pistol using the adapter and brace but it seems that it should hold up fine.)
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MP5 22lr
It’s fit perfectly without any play. I love the fact it’s has a pic rail so I can add the Jmac arm at brace.
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Mp5 22 picatinny rail
Fit up was tight and lined up perfectly
