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1. KT68 6.8 AR-15 Upper Assemblies:

- KT68 16 inch Grunt Lite
KT68 upper for AR-15, 6.8mm SPC lightweight 16" barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, M4 feedramps, mid-length gas, mid-length handguards with heat shields, YHM single rail gas block, Cerakote black finish on barrel, 30-day money back guarantee, one-year warranty. Muzzle device must be selected below. Note: needs 6.8mm bolt, carrier and charge handle, orderable seperately.
Price: $490.00 Quantity:




- KT68 16 inch Lite w/ Carbon Fiber Tube Forend
KT68 upper for AR-15, 6.8mm SPC lightweight 16" barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, HI/PER FORM carbon fiber tube forend, M4 feed ramps, mid-length gas, MI low-profile gas block, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $585.00 Quantity:




- KT68 16 inch Lite w/ Mid-length 4-Rail Forend
KT68 upper for AR-15, 6.8mm SPC 16" lightweight barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM mid-length four-rail lightweight forend, M4 feedramps, mid-length gas, YHM single-rail gas block, Cerakote black finish on barrel, 30-day money back guarantee, one-year warranty. Muzzle device must be selected below. Note: needs 6.8mm bolt, carrier and charge handle, orderable seperately.
Price: $555.00 Quantity:




- KT68 16 inch SPR w/ 4-Rail Rifle-length Forend
KT68 upper for AR-15, 6.8mm SPC, 16" SPR barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM rifle-length lightweight four-rail forend, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $555.00 Quantity:




- KT68 16 inch SPR w/ Mid-length JP Forend
KT68 upper for AR-15, 6.8SPC, 16" SPR barrel with chrome-lined chamber and bore, four-groove 1:11" twist rifling, forged CMT upper receiver, M4 feedramps, JP mid-length Viking Tactics forend, mid-length gas, Cerakote Graphite Black finish on barrel, 30-day money-back guaranty, one-year warranty. Muzzle device must be selected below. Note: requires charge handle, 6.8 SPC bolt and bolt carrier, orderable separately.
Price: $605.00 Quantity:




- KT68 16 inch SPR w/ Rifle-length Tube Forend
KT68 upper for AR-15, 6.8mm SPC, 16" SPR barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM rifle-length customizable tube forend, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $525.00 Quantity:




- KT68 16 inch SPR w/ Specter Tube Forend
KT68 upper for AR-15, 6.8mm SPC, 16" SPR barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM Specter customizable tube forend, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $490.00 Quantity:




* KT68 16 inch SPR Combat Edition
KT68 upper for AR-15, 6.8mm SPC 16" SPR barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM mid-length four-rail lightweight forend, M4 feedramps, mid-length gas, YHM flip sight gas block, Cerakote black finish on barrel, 30-day money back guarantee, one-year warranty. Muzzle device must be selected below. Note: needs 6.8mm bolt, carrier and charge handle, orderable seperately.
Price: $555.00 Quantity:




* KT68 16 inch SPR CQB
The KT68 16" CQB. CQB comes standard with "F" marked fixed front sight base, laser aligned with the barrel. Troy Industries mid-length four-rail forend, with continuous rail from the receiver. SPR barrel with chrome-lined chamber and bore, four-groove 1:11" twist rifling. All upper and handguard slots are numbered. Cerakote black finish on barrel, 30-day money-back guarantee, one-year warranty. Muzzle device must be selected below. Need charge handle, 6.8 bolt and carrier, orderable seperately.
Price: $700.00 Quantity:




* KT68 16 inch SPR w/ Smooth Rail Forend
KT68 upper for AR-15, 6.8mm SPC, 16" SPR barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM rifle-length smooth rail forend, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $575.00 Quantity:




* KT68 Grunt SPR 16
KT68 upper for AR-15, 6.8mm SPC, 16" SPR barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, M4 feedramps, mid-length gas, mid-length handguards with heat shields, YHM flip sight gas block, Cerakote black finish on barrel, 30-day money back guarantee, one-year warranty. Muzzle device must be selected below. Note: needs 6.8mm bolt, carrier and charge handle, orderable seperately.
Price: $490.00 Quantity:




. KT68 18 inch SPR w/ 4-Rail Forend
KT68 upper for AR-15, 6.8mm SPC, 18" SPR chrome-lined barrel, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM rifle-length lightweight four-rail forend, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately. *** TEMPORARILY OUT-OF-STOCK ***
Price: $0.00 Quantity:




. KT68 18 inch SPR w/ JP Forend
KT68 upper for AR-15, 6.8 SPC, 18" SPR chrome-lined barrel, four-groove rifling with 1:11" twist, forged CMT flat-top upper receiver, JP rifle-length Viking Tactics forend, M4 feedramps, mid-length gas, Cerakote Graphite Black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8 SPC bolt and bolt carrier, orderable separately. *** TEMPORARILY OUT-OF-STOCK ***
Price: $0.00 Quantity:




. KT68 18 inch SPR w/ Smooth Rail Forend
KT68 upper for AR-15, 6.8mm SPC, 18" SPR barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM rifle-length smooth rail forend, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately. *** TEMPORARILY OUT-OF-STOCK ***
Price: $0.00 Quantity:




. KT68 18 inch SPR w/ Tube Forend
KT68 upper for AR-15, 6.8mm SPC, 18" SPR chrome-lined barrel, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM rifle-length customizable tube forend, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately. *** TEMPORARILY OUT-OF-STOCK ***
Price: $0.00 Quantity:




. KT68 20 inch w/ 4-Rail Forend
KT68 upper for AR-15, 6.8mm SPC, fluted 20" chrome-lined barrel, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM single-rail gas block, YHM rifle-length lightweight four-rail forend, M4 feed ramps, rifle-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $605.00 Quantity:




. KT68 20 inch w/ JP Forend
KT68 upper for AR-15, 6.8mm SPC, fluted 20" chrome-lined barrel, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, MI low-profile gas block, JP rifle-length Viking Tactics forend, M4 feed ramps, rifle-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $640.00 Quantity:




. KT68 20 inch w/ Smooth Rail Forend
KT68 upper for AR-15, 6.8mm SPC, 20" fluted barrel with chrome-lined chamber and bore, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM rifle-length smooth rail forend, M4 feed ramps, rifle-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $625.00 Quantity:




. KT68 20 inch w/ Tube Forend
KT68 upper for AR-15, 6.8mm SPC, fluted 20" chrome-lined barrel, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, MI low-profile gas block, YHM rifle-length customizable tube forend, M4 feed ramps, rifle-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $575.00 Quantity:




. KT68 Grunt SPR 18
KT68 upper for AR-15, 6.8mm SPC, 18" SPR chrome-lined barrel, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM flip sight gas block, rifle-length handguards, M4 feed ramps, mid-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately. *** TEMPORARILY OUT-OF-STOCK ***
Price: $0.00 Quantity:




.KT68 Grunt 20
KT68 upper for AR-15, 6.8mm SPC, fluted 20" chrome-lined barrel, four groove rifling with 1:11" twist, forged CMT flat-top upper receiver, YHM flip sight gas block, rifle-length handguards, M4 feed ramps, rifle-length gas, Cerakote black finish on barrel, 30-day money-back guarantee, 1-year warranty. Muzzle device must be selected below. Note: needs charge handle, 6.8mm bolt and bolt carrier, orderable separately.
Price: $560.00 Quantity:




> IonBond DLC Tungsten-Carbide Barrel Finish
Optional KT68 barrel finish upgrade from Cerakote Graphite Black to IonBond DLC (Diamond Like Coating) chrome tungsten-carbide coating. May add three weeks to shipping, check with Ko-tonics for an estimated ship time.
Price: $50.00 Quantity:




> KT68 Left-handed 6.8 SPC Upper
KT68 Left-handed upper. Choose this option if you wish to build one of the standard KT68 models left-handed. KT68 will be built with ambidextrous barrel extension and left-handed A3 upper receiver. Please order left-handed bolt carrier group in the "6.8 SPC Bolts and Charge Handles" category. SPECIAL ORDER, ALLOW EXTRA TIME FOR DELIVERY.
Price: $90.00 Quantity:




> Tactical Gray Tube Handguard
Cerakote Tactical Gray on either rifle- or Specter-length customizable tube handguard. Helps keep sun from heating handguard.
Price: $15.00 Quantity:




KT68 Bore Lapping Service
KT68 bore lapping service for chrome-lined barrels. A combination of fire lapping and hand lapping of the barrel bore through three grades of abrasive. Does not harm chrome lining, smooths and polishes the bore, increases accuracy and reduces fouling.
Price: $50.00 Quantity:




Standard Front Sight Base Option
KT68 Standard Front Sight Base option. This may be installed either as a part of the gas system at the mid position, or at the rifle position. Requires a true mid-length forend, like the Combat Edition, Grunt or JP mid-length, or a rifle-length forend. Cannot be used with the Specter four-rail or Specter customizable tube forend. Handguard cap is only installed if ordered with the Grunt (standard 2-piece handguards).
Price: $75.00 Quantity:




Xact Color Match Tube Handguard
Xact Color Match for customizable tube handguard. OD Green, Coyote Tan, Desert Sand or Dark Earth, please specify in order comments.
Price: $15.00 Quantity:




Xact Color Match Upper Receiver & Barrel
Xact Color Match upper receiver and complete barrel assembly. OD Green, Coyote Tan, Desert Sand or Dark Earth please specify in order comments.
Price: $60.00 Quantity: