You searched for "upper kit"
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MR556 Firing Pin
$60.99Firing pin for MR556 rifle -
MR556 Lock Bolt Pin
$5.99Lock bolt pin for MR556 rifle -
MR556/MR762 Pressure Pin
$5.99Pressure pin for MR556 and MR762 rifles -
MR556 Front Takedown Pin
$64.99Front takedown pin for MR556 -
MR556 Hexagonal Allen Key
$23.99MR556 hexagonal allen key -
Fixed Carrying Sling Adapter
$127.99Carrying sling adapter for carry sling with quick release. -
MR556 Gas Block Pin
$5.99Gas block pin for MR556 rifle -
MR556 Receiver Extension Nut
$34.99Receiver extension nut for MR556 rifle -
MR556/MR762 Firing pin Spring
$5.99Firing pin spring for MR556 and MR762 rifles -
MR Rifle Rear Takedown Pin
$54.99Rear takedown pin for MR rifles
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