Description
We are proud to offer this AR-STONER A3 Upper Receiver Assembly in 450 Bushmaster at an exceptional price! This AR-STONER Rifle length upper features a 450 Bushmaster bolt carrier group, parkerized finish, low profile gas block, 18″ barrel, 15″ M-LOK handguard and a heavy profile barrel. The A3 upper will attach to virtually any standard AR-15 lower receiver and comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. Supplied without a rear sight, this upper is a great platform for a red dot sight or iron sights (both sold separately).
Features
- 450 Bushmaster Bolt Carrier Group
- 15″ M-LOK Handguard
- 18″ 1:24″ Twist Barrel
Made In United States of America
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.Specifications
Product Information
| Cartridge | 450 Bushmaster |
| Color | Black |
| Finish | Matte Black |
| Material | Aluminum |
| Weight | 4.91 Pound |
| Barrel Length | 18 Inches |
| Twist | 1:24 Inches |
| Threads | 5/8″-32 |
| Barrel Contour | Heavy |
| Sights | No |
| Barrel Finish | Matte |
| Chrome Lined | No |
| Gas Block Diameter | 0.875 Inches |
| Gas System Length | Mid-Length |
| M4 Feed Ramps | Yes |
| Upper Receiver Type | A3 Flat-Top |
| Barrel Material | Steel |
| Handguard | 15″ M-LOK Ultralight |
| Bolt Carrier Assembly Included | Yes |
| Mil-Spec or Commercial | Mil-Spec |
| Country of Origin | United States of America |
| Compatible With |
AR-15
|
Delivery Information
| Shipping Weight | 5.850 Pounds |
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