AR-40 4.5" BILLET MOD 1 UPPER RECEIVER PISTOL BUILD KIT W/4" M-LOK HANDGUARD C CUT- BCG-LPK & Pistol Tube Kit
-27%
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| Specs | |
| Barrel Length: | 4 " |
| Caliber: | 40 S&W |
| Twist Rate: | 1:16 |
| Gas System: | BLOWBACK |
| Muzzle Thread: | 5/8X24 |
| Muzzle Device: | A2 Flash Hider |
| Bolt Carrier Group | Included |
| Receiver Material: | Billet 7075 T6 Aluminum |
| Charging Handle: | 6061-T6 Aluminum |
| Buttstock: | Pistol Tube |
| Buffer: | 7 oz. |
| Grip: | Standard A2 |
| BCG | Nitride |
WARNING to California Residents: ⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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