Upper Receiver
DSA ZM4 AR15 Custom Magpul Rifle Build Kit - Complete Upper Receiver Group, Lower Parts Kit, Buffer Tube Kit, Magpul Furniture
Item #: ZM4CBU-16HBCL-MAG-K
Price: $499.95
DSA ZM4 AR15 Slim Series PDW 300 BLK Upper Receiver Assembly - 7.5" Barrel
Item #: ZM4CBU7-300PDW-A
Price: $229.95
DSA ZM4 AR15 Slim Series PDW 300 BLK Upper Receiver Assembly - 7.5" Barrel - FDE Finish
Item #: ZM4CBU7-300PDW-FDE-A
Price: $239.95
DSA ZM4 AR15 Slim Series PDW 5.56 NATO Upper Receiver Assembly - 7.5" Barrel
Item #: ZM4CBU7-556PDW-A
Price: $229.95
DSA ZM4 AR15 Slim Series PDW 5.56 NATO Upper Receiver Assembly - 7.5" Barrel - FDE Finish
Item #: ZM4CBU7-556PDW-FDE-A
Price: $239.95
DS Arms AR15 10.3" Chrome Lined 5.56x45mm Service Series Upper Receiver Assembly
Item #: ZM4CBU103CL-A
Price: $309.95
DS Arms AR15 MK18 10.3" 5.56x45mm Service Series Upper Receiver Assembly
Item #: ZM4CBU103M18-A
Price: $549.95
DSA ZM4 AR15 Slim Series 5.56 NATO Upper Receiver Assembly - 16.25" Knurl Fluted Chrome Lined 1:7 Twist Barrel
Item #: ZM4CBU16-SSKF-A
Price: $299.95
DSA ZM4 AR15 Slim Series 5.56 NATO Upper Receiver Assembly - 16.25" Knurl Fluted Stainless Steel 1:7 Twist Barrel
Item #: ZM4CBU16-SSKFSS-A
Price: $299.95
DS Arms AR15 14.7" 5.56x45mm Service Series Block 1 Upper Receiver Assembly
Item #: ZM4CBU14CL-RAS-A
Price: $549.95
DSA AR15 14.5" Chrome Lined M4 1:7 Twist Sight Tower Upper Assembly
Item #: ZM4CBU14CL-A
Price: $299.95
DSA AR15 14.5" Pinned Chrome Lined Barrel and Midwest Extended 12" Handguard Upper Receiver Assembly
Item #: ZM4CBU14MIEXTC-A
Price: $394.95