Featured Products SEE ALL FEATURED PRODUCTS Sale! Glock 26 Gen 5 Pre-owned 9mm Pistol $49900 $44900 Out of stock HK UMP 10mm Conversion Kit Bolt and Barrel from: $69900 Sale! Original Hensoldt HK PSG1 Rifle Scope From: $4,00000 $3,79900 Out of stock Sale! HK MR556 416D 416C 416A5 Short Barrel from: $1,00000$89900 Sale! HK MP5F A3 Factory Collapsible Stock New Type $60000 $54900 Out of stock Sale! HK MP5 3 Position Ambi Lower Group 0 1 F $99900 $59900 Out of stock HK MP5 4 Position Ambi Lower Group 0 1 2 F $1,49900 Sale! HK Factory SR9 Rifle With Extras $4,00000 $3,49900 HK PSG1 Type Lower Group Complete $1,19900 Black Ops Defense LLC Logo Decal 3×3.25″ $300 Out of stock HK 416A5 Style Adjustable Gas Block $59900 Sale! HK UMP Complete Parts Kit Trade-in/De-milled 45 40 10mm from: $1,99900$1,49900 Out of stock HK G36K Complete Parts Kit Trade-in/De-milled $2,49900 Black Ops Defense Logo T-Shirt $1900 Out of stock Sale! Billet 416A5/MR223 Receiver by Black Ops Defense From: $99900 $89900 Out of stock Cut Down HK SL8 Factory Barrel 12.5″ G36K Length Complete $69900 HK M110A1 417A2 Style Lower Modified Brownells Receiver $1,49900 Out of stock Sale! HK Factory G36K Barrel Complete $1,19900 $79900 Out of stock HK MP5 A3 Factory Collapsible Stock $89900 Out of stock Sale! HK MSG90 Factory Hard Case New Original From: $79900 $69900 Out of stock Sale! Billet 416 Receiver by Black Ops Defense $89900 $79900 PSG1/MSG90 Trunnion Extension Weldment $7900 Sale! HK 416 Factory Full Auto Complete Bolt Group New $1,69900 $1,49900 Out of stock HK PSG1 MSG90 Style/Clone Tripod $39900 New Products SEE ALL NEW PRODUCTS Sale! Glock 26 Gen 5 Pre-owned 9mm Pistol $49900 $44900 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 Sale! HK MR556 416D 416C 416A5 Short Barrel from: $1,00000$89900 HK Sling For UMP G36 SL8 USC Etc Open Bag $3500 HK Sling UMP G36 SL8 USC Etc Factory New $4900 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 HK M110A1 417A2 Style Lower Modified Brownells Receiver $1,49900 HK 416A5 Style Quad Rail Foregrip Handguard Black $27900 Out of stock HK 416A5 Style Quad Rail Foregrip Handguard Tan/RAL8000 $27900 HK 416A5 Ambidextrous Mag Release $3900 Out of stock HK PSG1 MSG90 Style/Clone Tripod $39900 Out of stock 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