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Upper Assemblies

 
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HK UPPER MR556A4 5.56 16.5" BLK
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Heckler & Koch

HK UPPER MR556A4 5.56 16.5" BLK

$2,507.40 $2,179.00

The MR556 upper receiver kit has been updated to include all the new A4 features, including new barrel profile, adjustable gas block, handguard and more. This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style...

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PWS MK116 MOD 2-M UPPER 16.1" BLK
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Primary Weapons Systems

PWS MK116 MOD 2-M UPPER 16.1" BLK

$1,499.95 $1,399.95

The PWS MK1 MOD 2-M line features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok technology on the free...

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PWS MK116 MOD 2-M UPR 16" 762X39 BLK
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Primary Weapons Systems

PWS MK116 MOD 2-M UPR 16" 762X39 BLK

$1,499.95 $1,399.95

The PWS MK1 MOD 2-M line, revamped for 2018, features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok...

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