Top end assemblies come in several variations. Choose what you need based on barrel length, upper type, hanguard and chambering (.223 Remington or 5.56 NATO).
Our K1 and K2 assemblies are available stripped (K1SA / K2SA) or complete (K1CA / K2CA). Stripped assemblies do not include a charging handle or bolt carrier assembly and are not head spaced or test fired. Complete assemblies are fully assmbled, head spaced and test fired by Olympic Arms.
The K6 and K8 assemblies are only available complete (K6CA / K8CA) because their parts are fine tuned and hand fitted for accuracy. Again, complete assemblies are fully assembled, head spaced and test fired by Olympic Arms.
Our top end assemblies will fit and function with any complete mil-spec lower receiver.
Top end assembly with 16" barrel, threaded muzzle, flash suppressor, bayonet lug, front sight, handguards and A2 upper receiver with fully adjustable rear sight.
Product Details...$526.50 MSRP
Stripped top end assembly with 16" barrel, threaded muzzle, flash suppressor, bayonet lug, front sight, handguards and A2 upper receiver with fully adjustable rear sight. No charging handle or bolt carrier assembly.
Product Details...$422.50 MSRP
Top end assembly with 20" barrel, threaded muzzle, flash suppressor, bayonet lug, front sight, handguards and A2 upper receiver with fully adjustable rear sight.
Product Details...$572.00 MSRP
Stripped top end assembly with 20" barrel, threaded muzzle, flash suppressor, bayonet lug, front sight, handguards and A2 upper receiver with fully adjustable rear sight. No charging handle or bolt carrier assembly.
Product Details...$468.00 MSRP
Top end assembly with a 20" bull Ultramatch barrel, .223 Remington, flat top upper, free floating aluminum handguard and rail gas block.
Product Details...$783.90 MSRP
Top end assembly with a 20" bull Targetmatch barrel, 5.56 NATO, flat top upper, free floating aluminum handguard and rail gas block.
Product Details...$560.30 MSRP
Olympic Arms, Inc. is not affiliated with the IOC/USOC or any other Olympic sports organization.
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