SIG 550/551 Lower Receiver, w/ Black Grip, Semi-Auto, Grey Steel, Swiss, *Excellent*

Original Swiss Arms, SAN, SIG 550 / 551 Rifle Lower Receiver, Grey Steel with Swiss Semi-Automatic Internals & Black Grip, 5.56X45, in *Excellent* condition.

Sold Individually (unit pictured is what you will receive).

Rare parts for your collection!
An FFL in NOT required to purchase this part.
SIG 550/551 Rifle stamped steel lower receiver with semi-auto fire control parts, ambidextrous safety with grip, manufactured in Switzerland.
Fits all SIG 550 series rifles to include the US SIG 556 rifles.
It is ready to install into your SIG 556 upper receiver.
The lower has the buttstock hinge and the winter trigger guard.
This formed steel lower receiver is a key component nessecary for you to turn your SIG 556 rifle into the ultimate SIG 550 look-alike!
Manufactured with the highest quality materials under the supervision of Swiss Production Engineers.
Shows minor signs of wear, marring, grime, etc...