FSC GEN 2. adapter kit for the HK USC that enables the use of an ACR or AR-15 buttstock (adapter included).
All original parts can be used for the conversion. Disassembly of the firearm does not change with the installation of this part. No gunsmithing required.
Buttstock not included. An AR-15 lower receiver extension, receiver endplate and castle nut are required for a proper AR-15 spec buttstock installation.
Specs:
| Stock Type | Stockless Modern Pistol Grip Textured; Pre-installed AR-15 Lower Receiver Extension Adapter; Bushmaster ACR Buttstock Spec | Stock Fit | H&K USC | |
| Stock Material | Aluminum w/ Polymer Grip Shell | Stock Finish | Black | |
| Buttpad | Buttstock Dependent | Adjustable Length of Pull | Buttstock Dependent | |
| Default Length of Pull (in) | N/A | Min Length of Pull (in) | Buttstock Dependent | |
| Max Length of Pull (in) | Buttstock Dependent | Adjustable Comb | Buttstock Dependent | |
| Min Drop at Comb (in; cm) | Buttstock Dependent | Max Drop at Comb (in; cm) | Buttstock Dependent | |
| Min Drop at Heel (in; cm) | Buttstock Dependent | Max Drop at Heel (in; cm) | Buttstock Dependent | |
| Adjustable Cast | Buttstock Dependent | Adjustable Pitch | Buttstock Dependent | |
| Length (in; mm) | ~12.3; 4.8 | Width (in; mm) | ~1.5; 4.5 | |
| Height (in; mm) | ~7.6; 19.2 | Weight (lbs; kg) | ~0.89; 0.4 |
Additional Information:
| Article Number | 3.01 |
| Style Number | 03.01 |
| Alternate Style Number | 03.03 |
Disclaimer:
Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.
