Home / Products / Jp Enterprises / JP Enterprises JP-5 90 Degree Lock Piece Roller-Delayed 9mm Nitride JP5-LP90
JP Enterprises JP-5 90 Degree Lock Piece Roller-Delayed 9mm Nitride JP5-LP90
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$99.95
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$99.95
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Updated
Aug 26, 2026
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Description
JP Enterprises JP-5 Lock Piece - 90Adeg90Adeg Roller Bearing Angle A Proprietary Steel A Nitride Finish A JP-5 / MP5 Pattern A SKU: JP5-LP90 The JP Enterprises JP-5 90Adeg Lock Piece is an interchangeable roller bearing component for tuning the recoil impulse of the JP-5 roller-delayed platform. Proprietary steel with nitride coating for low wear and low friction. The 90Adeg angle is the highest available-recommended when the action cycles weakly or unreliably, or when running low-pressure ammunition such as light hand loads. Compatible with H&K MP5 and MP5 clones that accept H&K lock pieces. Validate bolt gap after installation.90Adeg - Highest AngleThe 90Adeg lock piece requires the least force to open the action. Recommended for systems experiencing weak or unreliable cycling, or when decreasing system pressure through shorter barrels, removing suppressors, or switching to lower-pressure ammunition.Proprietary Steel with Nitride FinishManufactured from proprietary steel with nitride coating for low wear and low friction throughout the service life of the component.MP5 Platform CompatibilityCompatible with JP-5 and H&K MP5. Compatible with MP5 clones that accept H&K lock pieces-not all MP5 clones are compatible. Validate bolt gap after installation as lock piece geometry may alter bolt gap.Specifications:Manufacturer: JP EnterprisesModel: JP-5 Lock PieceSKU: JP5-LP90Angle: 90AdegMaterial: Proprietary SteelFinish: NitridePlatform: JP-5, H&K MP5, Compatible MP5 ClonesApplication: Higher angle - weak cycling, low pressure loads
