This is an HK-listed 10-round magazine identified for compatible MR556 and HK416 applications. This page provides neutral capacity, caliber and compatibility information for accurate identification.
MR556/HK416 10-Round Magazine specifications and reference details
- HK part number/SKU: 235642S
- Referenced platform: HK MR556 and HK416 applications identified by HK
- Caliber: 5.56 x 45 mm
- Capacity: 10 rounds
- Component type: Detachable magazine
HK lists this item in its rifle-parts magazine inventory. Confirm the current entry through the official HK Rifle Magazines catalog.
Model compatibility and related magazines
Compatibility should be checked using the HK part number, exact platform, caliber and current operator documentation. Related references include G36 30-Round Magazine, MR556/HK416 10-Round Magazine, HK416/G36 .22 LR 30-Round Magazine, and HK416/G36 .22 LR 20-Round Magazine. Browse Rifle Magazines or return to Rifle Parts.
Identification considerations
Check the magazine markings, caliber, capacity, follower and floorplate configuration, and HK part number 235642S. Do not use a magazine that is damaged, altered or not positively identified for the host firearm.
Safety and lawful possession
Keep the firearm unloaded while confirming fit and follow the current operator manual. Magazine-capacity and possession restrictions vary by jurisdiction; verify applicable federal, state and local law before acquisition, possession, transport or use. A damaged or uncertain magazine should be inspected by the manufacturer or a qualified firearms professional.
Common MR556/HK416 10-Round Magazine questions
Does shared caliber guarantee compatibility?
No. The magazine interface and exact host platform must also match.
How is the magazine identified?
Use the HK part number, caliber and capacity markings rather than appearance alone.
Can capacity restrictions apply?
Yes. Applicable rules vary by jurisdiction.






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