Colt LE6920 10.3" Mk 18/CQBR barreled upper 5.56mm
for AR15, M16, M4 lower receivers .223 AR-15
Used Condition
FFL is not required
Current Bid
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Starting Bid
No Reserve!
0 Bids Bid History
Time Left 15 min rule
Item has Ended
11/11/2017 7:55 AM
Item viewed 22 times.
Item 716639021
Location La Place, LA 70068
Shipping Buyer pays actual shipping costs for the following option(s): Priority
See Item Description
No international shipments
Payment USPS Money Order, See Item Description
Checkout Yes
Sales Tax
Seller does not collect sales tax
Inspection/ Return Policy
AS IS - No refund or exchange

The seller of this item assumes all responsibility for this listing. You must contact the seller to resolve any questions or concerns before placing a bid. Payment must be made using U.S. dollars ($) unless otherwise stated in the listing. Firearms may only be shipped to a licensed dealer (FFL Holder). Some listed items may not be legal in every state. Complete your purchase within the law.


Payment in full MUST be received within 7 days of auction close. I only accept USPS (postal) money orders. All other forms of payment are NOT accepted. Failure to deliver payment within 7 days of auction close will result in item being relisted & negative feedback being posted.

Shipping will be actual USPS Priority mail rates. Insurance optional. Estimates available on request.

Please do NOT send me e-mails asking me to sell my items for less. The minimum bid is the LOWEST I am willing to accept. E-mails requesting a lower price will be disregarded.

I will NOT accept trades of any kind.

This is an auction for a brand new Colt LE6920 5.56mm barreled upper that was professionally converted to Mk 18 specs by Specialized Armament. The barrel was originally a 16" 1:7 that they cut down, threaded, crowned, opened the gas port to 0.071" & completely refinished. This is exactly how Crane created the CQBR/Mk 18 for the Navy, by shortening the 14.5" M4 barrel. It took over 7 months for the work to be completed, but was well worth the wait. The barrel is date coded 11/07 & was refinished in Manganese Phosphate (finished in accordance with DOD-P-16232F Type M).

NOTE: The handguards are not new & seem to have some of the heatshield glue on the side of the lower handguard. This is the last upper I have & the last handguard I could pair with it. This listing is listed as used only because of this. The barreled upper is unfired.

This auction includes:

1 Colt 10.3" LE6920 5.56mm barreled upper
1 Colt A2 Birdcage flash hider (installed)
1 set Colt M4 handguards w/ dual heatshield

Seller provided no "Additional Terms of Sale"
Mfg Part Number