Featured Products SEE ALL FEATURED PRODUCTS Out of stock WAITLIST NOW HK UMP Rear Hinge Receiver Stub Cut-Off $59900 HK G28/G28E B&T Factory 7.62 DMR Suppressor QD From: $2,19900 Out of stock WAITLIST NOW HK Style HKey Accessory Picatinny Rail Set Tan/RAL8000 Medium $9900 Out of stock WAITLIST NOW HK Style HKey Accessory Picatinny Rail Set Tan/RAL8000 Long $11900 SALE HK PSG1 Type Lower Group Complete $1,19900 Original price was: $1,19900.$99900Current price is: $99900. Black Ops Defense LLC Logo Decal 3×3.25″ $300 Out of stock WAITLIST NOW HK 416A5 Style Adjustable Gas Block $54900 SALE HK UMP Complete Parts Kit Trade-in/De-milled 45 40 10mm from: $2,00000$1,59900 Black Ops Defense Logo T-Shirt $1900 Out of stock SALEWAITLIST NOW Billet 416A5/MR223 Receiver by Black Ops Defense From: $99900 Original price was: $99900.$89900Current price is: $89900. SALE HK M110A1 417A2 Style Lower Modified Brownells Receiver/Preorder $1,49900$1,29900 Out of stock SALEWAITLIST NOW Billet 416 Receiver by Black Ops Defense $89900 Original price was: $89900.$79900Current price is: $79900. PSG1/MSG90 Trunnion Extension Weldment $7900 New Products SEE ALL NEW PRODUCTS HK Type PSG1 Trigger Shoe $3900 Out of stock WAITLIST NOW HK Type PSG1 Trigger Shoe Kit $4900 HK 416F Style Ribbed 3 Prong Flash Hider Clone $6900 HK G3/91 EBO Greek Lower Housing 0 1 F For Semiauto $24900 Out of stock SALEWAITLIST NOW HK MR556 416D 416C 416A5 Short Barrel from: $1,00000$89900 SALE HK Sling For UMP G36 SL8 USC Etc Open Bag $3500 Original price was: $3500.$2900Current price is: $2900. SALE HK Sling UMP G36 SL8 USC Etc Factory New $4900 Original price was: $4900.$3900Current price is: $3900. Black Ops Defense LLC Logo Decal 3×3.25″ $300 Black Ops Defense Logo T-Shirt $1900 HK 416 CAG Geissele Style Quad Rail Foregrip Handguard Tan $27900 SALE HK M110A1 417A2 Style Lower Modified Brownells Receiver/Preorder $1,49900$1,29900 HK 416A5 Style Quad Rail Foregrip Handguard Black $27900 HK 416A5 Style Quad Rail Foregrip Handguard Tan/RAL8000 $27900 HK 416A5 Ambidextrous Mag Release $3900 Out of stock WAITLIST NOW HK Style Tan Enlarged Trigger Guard 416A5 G28 M110 RAL8000 $2900 Need a Custom Build?Contact Us about Our Custom ServicesContact UsBrowse Our Services HK USC to UMP HK MP-5 HK SL8 to G36 HK PSG-1 B&T MP9/TP9 HK416 MR556 HK G28 M110A1 417 Need a Custom Build?Contact Us about Our Custom ServicesContact Us Login Register Login Password Forgot password? Remember me Login E-mail I agree that my submitted data is being collected and stored. For further details on handling user data, see our Privacy Policy Password Confirm Password Minimum 4 characters