Quick view Compare PTR PTR HK 91/G3 (7.62x51 / .308) Receiver Flat + 15 reviews Now: $84.95 Was: MSRP: Add to Cart
SOLD OUT Quick view Compare HKP HK Parts HKP Semi Auto Shelf, Hanger Block For Receiver + 1 reviews Now: $13.95 Was: MSRP: Out Of Stock
Quick view Compare PTR PTR HK 91/G3/51 (7.62x51 / .308) Flat With Weldment Set + 6 reviews Now: $149.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail + 5 reviews Now: $49.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP Flat Bending Billeted Jig Set For All HK Style Flats + 1 reviews Now: $449.95 Was: MSRP: Add to Cart
Quick view Compare LSC LSC/PTR Receiver Flat- MP5 9mm + 1 reviews Now: $224.95 Was: MSRP: Add to Cart
Quick view Compare Flat Bending Jig Set For All HK Style Flats - Billeted - All Steel Now: $599.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP MP5/HK94 Complete Weldment Set For Receiver Flat Now: $49.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K G3 Parts Kit - PTR Barrel & Flat + 3 reviews Now: $799.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K HK MR556 Rear Lower Receiver Locking Pin Now: $59.95 Was: MSRP: Add to Cart
Quick view Compare PTR PTR HK MP5 Flat Receiver w/ Weldment Set + 1 reviews Now: $289.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K HK MR556/416 Receiver End Plate Now: $14.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K HK MR556/MR762 Receiver Take Down Tool + 1 reviews Now: $19.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K HK MR556/MR762 Rear Lower Receiver Locking Pin Now: $59.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP MP5K/SP89/SP5K 9mm Receiver Flat + 1 reviews Now: $159.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP MP5-SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set + 4 reviews Now: $2,499.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K HK MR762 Lower Receiver Front Locking Pin - Black Now: $39.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch HK MP5 Rear Receiver Section - HKP Now: $24.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set + 1 reviews Now: $2,099.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K HK G3/HK 91/PTR Parts Kit - PTR Barrel, Flat - Handpicked + 1 reviews Now: $1,199.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K MP5 Rear Receiver Section Now: $14.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP HKMP5K 9mm Flat Receiver - Silver Now: $199.95 Was: MSRP: Add to Cart
Quick view Compare HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger Now: $2,449.95 Was: MSRP: Add to Cart
SOLD OUT Quick view Compare GSG9 GSG9 HK MR556/416 10.4" .556 Upper Conversion Kit Now: $749.95 Was: MSRP: Out Of Stock
Quick view Compare H&K Heckler & Koch H&K HK33 Pistol Parts Kit w/ Flat & Weldment Set Now: $2,199.00 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set + 2 reviews Now: $2,299.95 Was: MSRP: Add to Cart
Quick view Compare Michaels Machines MM HK PSG1/MSG90/91/G3 (7.62x51 / .308) T-Rail Reinforcement Set For Receiver Now: $295.99 Was: MSRP: Add to Cart
Quick view Compare HKP HKP - MP5K, SP89 Receiver Flat With Weldment Set Now: $239.95 Was: MSRP: Add to Cart
Quick view Compare HKP HK Parts HKP HK 93/53/33 (5.56 / .223) Receiver Flat With Weldment Set + 2 reviews Now: $199.95 Was: MSRP: Add to Cart
Quick view Compare H&K Heckler & Koch H&K UMP (.45 ACP) Parts Kit - Extended Demilled Rear Receiver Section - Used Now: $4,499.95 Was: MSRP: Add to Cart
Quick view Compare HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger Now: $2,849.95 Was: MSRP: Add to Cart
SOLD OUT Quick view Compare USA Flat Bending Jig Set For All HK Style Flats Welded Now: $399.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare FMP FMP HK Receiver Reinforcement - L Rails (Set Of 2 rails) Now: $77.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare GSG9 GSG9 HK 416 10.4" Vented Upper Gas Block Now: $249.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare GSG9 GSG9/TD-416 Gen 2 10.4" 5.56 Complete Upper Kit Complete + 1 reviews Now: $1,999.95 Was: MSRP: Out Of Stock
Quick view Compare H&K Heckler & Koch H&K 93/53/33 (5.56 / .223) Rear Receiver Section Now: $79.95 Was: MSRP: Add to Cart
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK 416 10.4" Vented Upper Gas Block Now: $299.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK 416A5 Incomplete Upper Receiver - RAL 8K + 1 reviews Now: $479.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK 416A5 Stripped Upper Receiver - Black Now: $559.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK MR556 Incomplete Upper Receiver Now: $499.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK MR556 Upper Receiver w/ F/A & Ejection Door Now: $979.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK MR556/416 Upper Receiver Threaded Piston Guide + 1 reviews Now: $19.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK MR556/MR223 Incomplete Upper Receiver - Black + 1 reviews Now: $519.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK MR762 Upper Receiver Incomplete w/ Piston Bushing Now: $499.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK MR762/417/G28 Receiver End Plate Now: $25.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K HK UMP Demilled Extended Rear Receiver Section Now: $999.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare H&K Heckler & Koch H&K UMP (.40 S&W/.45 ACP/9mm) Demilled Rear Receiver Section Now: $899.95 Was: MSRP: Out Of Stock
Quick view Compare HKP HK Parts HKP HK 416, MR556 Upper Receiver Forging Now: $99.95 Was: MSRP: Add to Cart
SOLD OUT Quick view Compare HKP HK Parts HKP HK 416/MR556 14.5 " Upper Conversion Kit, 14.5" Now: $699.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare HKP HK Parts HKP HK MR556/416 Incomplete Upper Receiver Now: $299.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare HKP HK Parts HKP HK MR556/416 Upper 8" 416C Style Conversion Kit Now: $874.99 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare HKP HK Parts HKP HK MR556/416 Upper 8" 416C Style Conversion Kit w/ Handguard + 1 reviews Now: $995.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare HKP HK Parts HKP HK MR556/416 Upper 9" 416C Style Conversion Kit Now: $899.95 Was: MSRP: Out Of Stock
SOLD OUT Quick view Compare HKP HK Parts HKP MP5 & HK94 Receiver Flat + 3 reviews Now: $129.95 Was: MSRP: Out Of Stock
