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Hk - Colt -
FN - HDPS Parts
Double Click
images to enlarge
Those are the 3 parts that you need when using the real HK UMP
lower receiver and magazine in order to meet Federal regulations
regarding imported parts count in an Imported Assault Rifle
(18-U.S.C. section 922(r).
Made in USA,
HDPS UMP/USC and SL8/G36
trigger
(compliance part) with rounded edges
NOT
sharp edges like others. Made from steel NOT aluminum
to be compatible with the steel pin and swing free of any future
wear - $135
(in stock)
 HK
UMP Floor Plate in the right side and HDPS Floor Plate in the
Left side
HK
UMP Follower (compliance part)
- $22.00 (All parts are engraved and Teflon Molly coated
for better durability and self lubrication!!!)
(in stock)
HK
UMP Floor Plate
(compliance part)- $11.00
(All parts are engraved and Teflon Molly coated for better
durability and self lubrication!!!)
(in stock)
for fixed
stock
 for
folding stock
Set of
Screws with Sling Loop Eyelet and Thumb Flat
to attach stock
block to upper receiver or Factory HK stocks to upper
receiver. All steel made on HK specifications for thread
and shoulder. The option of HK logo you will find only with
HDPS! The screws are parkerized and Teflon Molly coated in
black
=>>Works on
Standard USC/SL8 and UMP conversion
(will not work on right side G36 folder)
Two models, one with eyelet for the
sling and other with thumb flat.
Buy a pair
for
$42
(in stock)
For Thumb
Flat Screw, you need to specify if is for
folding
stock or fixed stock, gray or black, also you can choose between
bright engraving, blackout engraving or no engraving
Soon also
available, long cross stock block set of screws with eyelet and
flat thumb ends. Just drill a 7mm hole thru existent threads in
stock block and upgrade for all steel screws. Upgrade services
for existent Block B owners will be available.
All new Block
B's and SL8 blocks will have the long steel eyelet/flat thumb already
with it.
HK UMP - USC RAILS
Mil. Specs
Picatinny Rails
See the differences,
double click for bigger image
ATTENTION, MAKE SURE THAT YOUR ACCESSORY WAS MADE FOR
MIL-STD-1913 PICATTINY ARSENAL RAILS
No
other outfit have this quality at low price,
they are our FOURTH generation and IMPROVED with NO sharp edges,
upper rail is just a little over 1" longer but give you almost
2" for more choices to fit your scope or sight, rounded
front face for snag free and 100% base contact with receiver
giving you a complete rail stability. Lower rails no
longer have the notches for KAC covers, they were just another
sharp points and we have now a variety of snap on much cheaper
rubber covers for those rails that don't use those notches
anymore.
And
don't forget, those are not just anodized, they are Teflon Molly
Coated for more durability, no milling marks and a texture close
to the polymer texture.
Sold hundreds to SWAT TEAM's, SRT's and Government Agencies,
real action tested!
UMP/USC Long Top Rail and 2 Low Profile Screws ,
NO sharp edges
-$ 40.00
(marked made in
USA and
Teflon Molly Coated)
(in stock)
UMP/USC Short Front Rail and 2 Low Profile Screws
NO sharp edges
- $
30.00
(marked made in
USA and
Teflon Molly Coated)
(in stock)
UMP/USC Set
of Rails/screws in blister pack
NO sharp edges
- $ 125.00
(marked made in
USA and
Teflon Molly Coated)
(in stock again!!)
G36 and SL8-6 -
Extended Bottom Rail and 2 Low Profile Screws
NO sharp edges
$ 32.00 each
(laser engraved "B" numbered
(in stock)
G36 - Side Rail and 2 Low Profile Screws
NO sharp edges
$ 30.00 each (laser engraved "R" and "L" numbered
(in stock)
SL8/6 -
Side Rail and 2 Low Profile Screws
NO sharp edges
(out
of
stock)
(NEW and IMPROVED , Built in Buffer/Recoil rod housing, included
steel cross block eyelet/thumb screws.......under production now,
will be available in couple weeks and accepting Credit Card
orders for it now)
HK
SL8 -1 or 4
and HK SL8 -6 to G36 Stock Block Conversion- $295 (in stock)
-HK genuine G36 Folding stock
roll pin (alone) - $10.50
(in stock)
-HK genuine
G36 push pin - $32
(IN STOCK NOW, finally got it from HK...all new, not used)
-HK G36 FBI pistol
grip -
$185 (in
stock)
-HK G36 2rb pistol
grip -
$185
(in stock)
-HK G36 NAVY pistol
grip - $195(in
stock)
-HK G36 NAVY pistol
grip w 2rb- $205(FINALLY
IN STOCK AGAIN)
-HK G36 "C" Folding
stock w/ cheek piece- $185
(in
stock)
-HK G36 "C" Folding
stock - $175(in
stock)
-HK G36 "E"
and "K" Folding stock - $95 (used) (in
stock)
-USA made
Magazines converted to be used with HK G36 - 10, 20, 30 and 42
rounds. They work flawless and no modification is necessary to your
G36 magazine well.
IT COUNTS 3
USA MADE COMPLIANCE PARTS!!
-10 Rounds - $ 35
(on
order)
-20 Rounds - $ 40
(on
order)
-30 Rounds - $ 45
(on
order)
-42 Rounds- $
51
(on
order)
Differences
between USC/UMP Stock Blocks
1 - Stock Block "A" that will work with M3 lower from TN and clipped HK
UMP lower (only 50 were made for those that have asked for
replacement of Special Weapons/Top Notch transition part
because problems with threaded insert turning in itself or
tear/broken polymer blocks)
2 - Stock Block "B" that will work with un-modified HK UMP lower
3 - Custom stock block "C" to be used with U.S.A made stocks
Stock Block "A"
(out of
stock, no longer will make stock block "A")
STOCK BLOCK "B"
- $195.00 for finished stock block
and screws.
All new Block
B's will have the long steel screws with eyelet/flat thumb
ends ready.
STOCK BLOCK "C"
- $165 -
STOCK BLOCK "C" with Steel eyelet/thumb
flat screws
(In stock)
NEW ITEM!
STOCK BLOCK "C"
AK- $355 -
ACE Hinges / ACE stock all
mounted and ready to install
(compliance part) (In
stock)
ACE stocks come in 3 sizes, Long, Medium and Short. Also
come with a detachable shoulder pad.
LENGTH
Stock only:
-Long - 9.5"
-Medium - 8.5"
-Small - 7.5"
-Block C and hinge - 1"
-Shoulder rubber pad - .5"
HEIGHT
- Same of UMP stock, but adjustable .5" up or down
The ACE brand
stock and hinges can be purchased with Block "C" or you can
purchase the Block only and install the folding stock yourself.
It can be made to fold to the Left or Right. Advantage in this
set up is ZERO flex unlike the UMP polymer stock, positive
locking open or closed, no rattle....an excellent feel for those
that actually want be able to fire the weapon with comfort and
precision and not only looks.
ALSO- the
stock can be the THIRD U.S. made compliance part!!
STOCK
BLOCK "C" M16-
$365 -
ACE Hinges / AR/M16 adaptor/ 6 position M4
reinforced show in photo w/ battery compartment
that's no longer available(In stock)
Preferred set up by SWAT TEAM Members
ALSO- the
stock can be the THIRD U.S. made compliance part!!
For comparative purposes, this was
HK solution using the M16 collapsible stock, they made the
stock to fold to the right side in a sharp angle to clear the
ejection port, but close the access for the trigger....
original HK UMP with M16 collapsible stock
HK roll
pin new style
for USC/UMP
conversion
(I finally got those in stock from an order dated 03/06) -
$8.00
(IN
STOCK AGAIN)
 
Advantages of HDPS CORP.
Barrels
Those are the
HDPS CORP production UMP and USC Barrels made with the cutting
edge CNC machinery by Green Mountain Rifle Barrels Co., a
company in the specialty business of only make quality
barrels for 31 years...
Those barrels
are made from blanks of 4140 Chrome Molly Steel (Stainless Steel
for the UMP Barrels), turned on
centers, machine finish. Stress relieved & Air gaged to +/-
.0002".
You can find
reproduction barrels for the UMP and USC in two places only, BUT
you will find the exact specs of the originals German made only
here. Just compare the UMP barrel. Our barrel is an exact
reproduction with all German specs. not a low profile
barrel.
Also, our USC
barrels have the same design of the UMP barrel by the chamber
face allowing :
1- The use of
a 16" barrel in the UMP, so PD's and Govt. Agencies that always
wanted a little more speed and accuracy on their UMP's,
now have a choice for a quick barrel swap.
2- All
barrels are compatible with USC bolt/carrier AND UMP
bolt/carrier!!
Important -
Third Version of Barrel "USMP" is a 16" with the
UMP flange.
USC HDPS
16" Barrel $200
(IN STOCK)
HDPS UMP barrel 7.87"
in
Stainless Steel-
$215 (IN
STOCK)
Your
Choice, in Gray or Black!!! you can choose colors only here!!
USMP HDPS
16" with UMP flange $210
(IN STOCK)
The new HDPS UMP Stainless
Steel barrels are the best solution for your registered SBR as
you may plan to attach a Sound Suppressor or a Flash Suppressor
and you can trust that it will stay tight there, other solutions
can only become a serious problem, example.... cutting an USC
16" barrel that has a twist rate for it's length and solder a
tip to it is a recipe for a catastrophic
failure.
Special Notes:
Be aware of after market
brands offering a "magical" special refinish on those barrels,
is no such thing, those barrels must be between +/-
0,001"~0,002" and in order to apply such special finishes
their barrels in order to work must be under the specifications
to make up for the thickness of their finish, once finish wear
out you also have an out of specs barrel flange.
Also, about 9mm and .40 S&W barrels,
we are not offering them because would be the same of selling a
car without an engine as the UMP 9mm bolts are not
available for sale and very difficult (and expensive) to find.
If you want a HK UMP
conversion done in 9mm or .40 S&W, make sure to ONLY USE HK
parts, several people that purchased after market brand of UMP
and USC 9mm barrels ended up with an expensive paper weight due
to specifications and not being able to find a 9mm bolt.
FYI- Upcoming
Projects for the USC
2- Tab to lock
folding stock to upper receiver
3- Fake UMP look
a like sound suppressor
4- Real Sound
Suppressors line
HK USC
.45 cal ORIGINAL GERMAN HK 16" barrel (NEW
UNFIRED-
take off from my own SBR's)
Is a take off from
NIB Carbine, 100% new, cannot be imported or sold separated by
HK, hard to
find item for replacement or custom work, you chance to buy it
now. Will cut and thread for your SBR and Sound Suppressor
e-mail for more information.
$355.00
(IN STOCK)
PS90
ORIGINAL 16" Barrel and Flash Suppressor/Sleeve
Genuine
FN, not drilled, is a take off from
a NIB PS90 by our exclusive system, if you ruin your
barrel and looking for a replacement on an almost
impossible item to get, here is your chance!
$395.00
(IN STOCK)
PS90
GEMTECH Faux Sound Suppressor
Slides over existent 16" barrel, it come with a
neat system the allow you to remove the Faux Sound
Suppressor by a quick detach system. No modifications
are necessary to the host PS90.
$165.00
(OUT of STOCK)
HK
UMP/USC .45 Carbine HDPS 45-50 DRUM
Sick and tired of that USC 10 rounds magazine?
Get a HDPS DRUM and get tired of pull the trigger
!!Easily load 40 rounds by hand and go up to 50 with a
loader, as in all drums, not open bolt on last round.
This drum is actually shorter than the HK 25 rounds
magazine and completely loaded equals in weight
fully loaded 2 25 rounds mag clamped together
HK UMP Lower 45-50 DRUM - $285.00
(OUT
OF STOCK!!)
HK USC Lower 45-50 DRUM - $275.00
(OUT OF STOCK,
those are also banned on States that still have
the AW Ban, no many buyers
in the US and mostly were exported, no longer will be
produced)
*(ALL
HK PARTS ARE GENUINE AND FACTORY NEW, NOT USED FROM
PD's, price changes reflected from distributor prices)
HK
SL8-1 Original factory 10 rds magazines $65each(in
stock)
HK
USC .45 Carbine - Original 10 rounds magazines,
they are new and genuine HK
$65 (in
stock)
HK
UMP .45 SMG- Original 25 rounds magazines, they
are new and genuine HK
$75
(in stock)
HK
UMP .45 FBI LOWERS- Complete with all
internals, are new and genuine HK, you can also use them
with the USC semi parts, just remove the full auto parts
and replace with semi parts for your USC/UMP conversion.
$325
(in stock)
HK
UMP .45 NAVY LOWERS- Complete with all
internals, are new and genuine HK, you can also use them
with the USC semi parts, just remove the full auto parts
and replace with semi parts for your USC/UMP conversion.
$ 375
(in
stock again)
HK
UMP .45 NAVY LOWERS With 2 Round Burst
$395
(in
stock again)
HK
UMP .45 SMG Folding stocks -Those stocks are new and genuine
HK, will work in the UMP/USC conversion kits.
$198
( Incoming
Soon)
HK
UMP .45/.40 SMG Flash Suppressors - For .45
cal. and .40 cal., made by B&T for HK
$179
(out of
stock, more coming)
FN
PS90/P90 Tri Rail Combo - Versatility at most,
you mount what you need, top only or top and right side
or all 3 rails, they are tactical numbers laser
engraved. (out
of stock, another better model coming soon)
HK
G-36 / SL8-1 / UMP .45 / USC.45 SLING - Those
are the genuine HK factory slings, hard to find anywhere
and priced right!
$55
(in
stock)
HDPS
Vertical Forward Grip, excellent grip and
texture and better than other expensive brand, the
lowest price anywhere!!
$25 (in stock)
HK
Gun Lock - New Original factory
HK Gun Locks, hard to find item and soon to be
collectable,
$45
(in
stock)
HK
G-36 / SL8-1 / UMP .45 / USC.45 - New Original factory
HK Combo Tools, hard to find item and soon to be
collectable item- $45
(on
order)
HK
USC.45 Original Factory Stocks - Comes with buffer -
$18
( Gray
in stock)
Have factory BLACK in stock $35
HK
USC.45 Original Factory Lower Receiver -
Stripped, comes with Mag Release lever - $15
(in
stock, also )
Have
factory BLACK in stock $35
HK
SL8-1 Original Butt Stock Spacers - $8
(on
order)
AR-15 9mm Magazines - New production 30
round magazines for your COLT AR-15 in 9mm, those have
polymer bodies
$35
(in
stock)
COLT AR-15 SP-1 Kit
All parts are COLT and you have here everything but the
lower receiver. If you wish to build a post ban AR, I
can shave the bayonet lug and replace the flash
suppressor with a fake flash suppressor for legality. (out
of
stock)
M4
Reinforced 6 Position Collapsible stock, water proof 4
batteries reserve compartment, nice rubber pad.
The lock
is rock solid and they
have an excellent overall fitting and quality!!
$85
(out of
stock)
COLT M4 latest model of 4 position collapsible
stock with "H" buffer, not available for sale stand
alone anywhere! $185
(out of
stock)
Same Looking assy, not Colt
$ 95
(in stock)
COLT A3 Removable Carry Handles - New from M4's take
off - $125
(in stock)
NEW-
Rock River Arms M4A3 upper, complete and ready
for your Pre Ban lower, A2 flash suppressor, M4 16"
barrel profile with the M203 grenade launcher step,
bayonet lug, side sling attachment as well vertical, M4
shielded over sized hand guards, flat top upper,
charging handle and bolt/carrier. Also includes the new
A3 carry handle with an integrated picatinny rail and
side extra battery air/water tight storage ($175 stand
alone value) $585
(out of stock)
Used in
excellent conditions, COLT complete 20" upper TARGET model,
A2
sights, forward assist, shell deflector, A2 flash
suppressor, charging handle, bolt/carrier. It can be
configured to post ban (flash suppressor will be
replaced with a pined muzzle brake/fake flash
suppressor) $495 (have few in stock)
New and
unfired, same of above $675
(out of stock)
Used in
excellent conditions, COLT complete 20" upper H-BAR model
(heavy barrel under hand guards),
A2
sights, forward assist, shell deflector, A2 flash
suppressor, charging handle, bolt/carrier. It can be
configured to post ban (flash suppressor will be
replaced with a pined muzzle brake/fake flash
suppressor) $550
(out of stock)
Used in
excellent conditions, COLT 20" upper H-BAR model (heavy
barrel under hand guards),
A2
sights, forward assist, shell deflector, A2 flash
suppressor, 1/7 twist. It can be configured to post ban (flash
suppressor will be replaced with a pined muzzle
brake/fake flash suppressor) $195
(out of stock)
Used in
excellent conditions, COLT A2 complete upper receiver,
A2 sights, charging handle, bolt/carrier, forward
assist, shell deflector $345
(out of stock)
Used in
excellent conditions, COLT A2 complete carrier/bolt
group(out of stock)
NEW- Rock
River Arms M4A3 stripped upper, hi quality part and all
mil. spec. $135
(out of
stock)
ALSO LOWER RECEIVERS $125!!
(out of stock)
"USED
in good/excellent conditions"
Unknown Brand un shielded-$4 set
(out of stock)
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COLT
complete A1 Pistol Grip Surplus - They are fully operational
just with handling marks, nicks and some a marbled ( for the
collectors), will sell by bag
of 10- $10
(out
of stock)
COLT
A1 with and without trap door and A2 Surplus Stocks - No
buffer tube/spring/ buffer, just cosmetics and dirty, no cracks
or broken. Will sell by bag of 5 of your choice - $20
( out
of stock)
COLT
A1 Triangular hand guards for your M16 or SP-1 or SPII-
Good conditions - $15 set
(out of stock)
COLT M4
fat Double Shielded Hand Guards - $40(in stock)
RRA M4 fat
Shielded Hand Guards- $15(in stock)
Double sling
side loop for stock - $10(in stock)
Old Style
Collapsible stock cheek piece with battery compartment - $15(out
of stock)
Old Style
Collapsible stock Rubber Pad - $10(in stock)
Ruger Mini 14/30
Hand Guard (new) - $15(in stock)
COLT A1 and A2
pistol grips (excellent) - $10 each
( just a few)
OD Green A2
pistol grip (new)- $8(in stock)
OA93 Style
pistol grip w/ compartment - $15(in stock)
CAT Trigger
enhancement system- $18(in stock)
Hell Fire 2000
trigger enhancement system - $10(in stock)
Two Position
Collapsible Stock like COLT but not marked, complete - $40(isold)
Four position
Collapsible Stock, complete and unknown mfg. - $25(sold)
Old Style A1
COLT Stock Buffer.....collectible $25(out of stock)
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