ARMS S.I.R. - I'm not sure the model (50M, 45M?) ($369 retail), excellent condition, requires removal of delta ring. Includes top rail ($44 retail)
$244 shipped obo
ARMS 40, excellent condition $74 shippedSPF to flint
Colt marked 16" M4A3 (6920) upper. Black, the upper may have been refinished but I can't tell for sure. No Delta ring assy. was used with the above ARMS.
Includes MP marked bolt, C marked half circle carrier. If you need I can install your delta ring assy (or order one) for you or buy both the upper and ARMS and you're good to go. $450 obo shipped
Buy both for $ SPF to QuikSilver
I took this stuff on trade so I'm motivated to sell it.
USPS MO perfered, Check OK with hold. PayPal to confirmed address, if you must add 4%
Thanks Click here for pics, upper on page 2