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ATF HAS MADE A RULING ON WHAT MODIFICATION MAKES A HK USC CONTRABAND!!!

 

ATF has in just the last month made an official ruling that making a cut on the bottom of the USC to allow for the full auto trip lever to reach the bolt carrier (despite the fact that a full auto bolt can not readily be installed in a USC without it itself being altered) is in fact making the receiver a machine gun!!!

With this information it now confirms that the UMP lowers have to have the full auto components removed and discarded and that the area where they came out of does not have to be filled with any blocks. If the receiver can not accept the full auto parts the lower can not be installed on the receiver with these parts installed in the lower. The modification to the upper receiver is the contraband modification.

Buyer beware!!! If you are buying or going to buy a USC from anyone make sure that the upper receiver has not be cut to accept the full auto trip lever. Unlike a metal gun that can be re-welded to repair a mistake, the new plastic guns (i.e. Hk USC) can not be repaired. Ask for a photo of the bottom the receiver before you send ANY MONEY TO ANYONE!!!

A recent customer bought a USC off of someone and sent it in to me for some work. Once I saw the cut on the bottom of the receiver I was required to contact ATF for determination. This USC receiver is what the ATF used to make the ground braking decision. It is now etched in stone for all to comply with.

Below is an illustration of what we are talking about. Click on the thumbnails for a larger view.

 

 

 

 

 

NFA WEAPONS

 What is a NFA weapon?

NFA Application Forms and Transaction Processes

Put simply it is a shoulder fired rifle that has a barrel under 16" in length or is under 26" in total length.

Another piece of information that most people do not know is that pistols and NFA items are NOT regulated under 922(r). As a pistol or NFA item 922(r) DOES NOT APPLY. To short barrel rifle (SBR) a weapon a form 1 MUST be completed and sent in along with a finger print card, a passport photo and a one time $200 check. Once this paper work is returned to you approved you must engrave your receiver, noting the manufacture of the SBR, and you are done. Please read the letter below from the NFA branch about SBR's as well as the link above "what is a NFA weapon".

Title 18 U.S.C. § 922(r)

Title 18 United States Code (USC) § 922(r) prohibits assembly of certain semiautomatic rifles and shotguns from imported parts. The implementing regulations in title 27, Code of Federal Regulations (CFR) part 178, § 178.39, provides that no person shall assemble a semiautomatic rifle or any shotgun using more than 10 imported parts listed in paragraph (c) of this section, if the assembled firearm is prohibited from importation under section 925(d)(3) as not being particularly suitable for or readily adaptable to sporting purposes.

The 20 parts listed in paragraph (c) are listed below. Parts marked with a (yes) are the parts that apply to the Hk USC. (this is the rifle that we will use for demonstration.

Parts List

1. Frames, Receivers
2. Barrels
3. Barrel extensions
4. Mounting blocks
5. Muzzle attachments
6. Bolts
7. Bolt carriers
8. Operating rods
9. Gas piston
10. Trigger housing
11. Trigger
12. Hammer
13. Sear
14. Dis-connectors
15. Butt stocks
16. Pistol grips
17. Forearms, hand guards
18. Magazine bodies
19. Followers
20. Floor plates

 

 

Parts in Count

1(yes)
2(yes)
3(no)
4(yes)
5(no)
6(no)
7(yes)
8(yes)
9(no)
10(yes)
11(yes)
12(yes)
13(yes)
14(no)
15(yes)
16(yes)
17(no)
18(yes)
19(yes)
20(yes)

 

Parts Count

1
2
 
3
 
 
4
5
 
6
7
8
9
 
10
11
 
12
13
14
Note: When a trigger housing and pistol grip are one piece it reduces the parts count by one.
 
THE FOLLOWING IS A RESPONSE TO A LETTER I WROTE TO THE ATF REGARDING SBR'S AND THE TRANSPORTATION THERE OF.
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Last modified: 08/19/08