Parts
If you can't find what you're looking for don't hesitate to contact us.Compliance parts for USC/UMP and SL8/G36 conversions
Those are the HDPS CORP. U.S. made compliance parts that you need when using the real HK UMP parts on your USC or real HK G36 parts in the SL8 conversions in order to meet Federal regulations regarding imported parts count in an Imported Assault Rifle 18-U.S.C. section 922(r).
Warning, failure to comply will render your conversion illegal living you at mercy of $250,000.00 fine and up to 10 years in Fed Jail charges.
If you already own some of those parts, You can purchase only what you need
( Be careful purchasing cheap parts elsewhere, you will receive what you paid for, cheap and poor quality pats )
Showing 1–27 of 220 results
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Sale!
UMP/USC RAILS Set of Rails/screws in blister pack NO sharp edges (Copy)
$125.00$110.00 -
Sale!
Heckler And Koch UMP Lower Four Position
$450.00$425.00 -
USMP HDPS 16″ with UMP flange
$310.00 -
Sale!
HDPS UMP barrel 7.87″ in Stainless Steel in Black only
$350.00$335.00 -
USC HDPS 16″ Barrel
$300.00 -
Sale!
UMP/USC RAILS Set of Rails/screws in blister pack NO sharp edges
$125.00$110.00 -
UMP/USC Short Front Rail and 2 Low Profile Screws NO sharp edges
$30.00 -
UMP/USC Long Top Rail and 2 Low Profile Screws , NO sharp edges
$40.00 -
Mill UMP Bolt to work with USC receiver
$95.00 -
COMBO with NAVY Style UMP lower
$1,680.00 -
COMBO with FBI Style UMP lower
$1,650.00 -
HDPS Skeleton Stock w/ top tube foam pad and hardware
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HDPS Skeleton Stock and hardware
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HDPS Push Button Hinges
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Eyelet & Thumb Screw USA made by HDPS Steel eyelet and thumb LONG cross block with flat and eyelet screw (pair), works with stock block
$48.00 -
USA made by HDPS Steel eyelet and thumb flat screw and eyelet screw (pair) for STANDARD SL8
$35.00 -
HK UMP Follower
$22.00 -
HK UMP Floor Plate in the right side and HDPS Floor Plate in the Left side
$11.00 -
Sale!
USC & SL8 Trigger Made in USA UMP/USC ALL STEEL trigger (compliance part)
$135.00$120.00 -
For USC 3 parts Kit price , Trigger, floorplate, follower
$165.00 -
Close with polymer
$30.00 -
Dye Job on Upper Receiver only (Industrial Dye)
$60.00 -
Mill Rt. and Lt. UMP and lower vents in front receiver
$85.00 -
Mill upper receiver to accept the UMP Mag
$25.00 -
Engrave Polymer receiver for SBR
$60.00 -
Replace Internals
$20.00 -
Invert white mark at USC selector if using NAVY lower
$30.00
ALSO, WE HAVE A MACHINE SHOP AND A REFINISH SHOP THAT WILL MAKE POSSIBLE TO BUILD YOUR CUSTOM DREAM COME TRUE WEAPON
Homeland Defense & Police Supply Corp