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Mfg Item #: 81000584
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MR556A1 UPPER RECEIVER 5.56MM
| Barrel | 16.5" |
|---|---|
| Finish | Matte Black |
| Caliber | 223 Rem | 5.56 NATO |
| Rate Of Twist | 1-in-7" |
| Additional Feature 1 | Includes Bolt and Buffer |
| Additional Feature 2 | M-Lok Handguard |
ATTENTION: If you are ordering the last of an available quantity and you do not check with an associate of Crossroads Firearms before placing your order. You may be at risk of getting a full refund/ cancellation if our in house inventory or distributors are out of stock before your online order has been processed.