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| ORDER | CALIBER | WEIGHT | LENGTH | BARREL LENGTH | BARREL |
| 90543 | 5.56 NATO/223 Rem | 13.5 lbs | 38.5" | 20" | 1" diameter competition, chrome-moly vanadium steel |
| 90551 | 5.56 NATO/223 Rem | 6.42 lbs | 32.5" | 14.5" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90566 | 6.8mm Rem SPC | 7.1 lbs | 32.5" | 16" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90569 | 5.56 NATO/223 Rem | 6.42 lbs | 32.5" | 16" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90578 | 5.56 NATO/223 Rem | 8.5 lbs | 39.5" | 20" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90591 | 5.56 NATO/223 Rem | 6.42 lbs | 32.5" | 14.5" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90623 | 450 Bushmaster | 8.5 lbs | 36.5" | 20" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90629 | 5.56 NATO/223 Rem | 8 lbs | 38.25" | 20" | Fluted, chrome-moly steel (non-chrome-lined) |
| 90636 | 5.56 NATO/223 Rem | 8.4 lbs | 42.24" | 24" | Fluted, chrome-moly steel (non-chrome-lined) |
| 90641 | 5.56 NATO/223 Rem | 8.4 lbs | 42.25" | 24" | Fluted, chrome-moly steel (non-chrome-lined) |
| 90652 | 5.56 NATO/223 Rem | 6.42 lbs | 32.5" | 16" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90717 | 7.62 x 39mm | 6.8 lbs | 32.5" | 16" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90720 | 5.56 NATO/223 Rem | 8 lbs | 33" | 16.5" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90806 | 5.56 NATO/223 Rem | 6.42 lbs | 32.5" | 16" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90821 | 308 Win./7.62 NATO | 8.2 lbs | 35" | 16.5" | 4150 chrome-moly steel w/chrome-lined bore/chamber |
| 90823 | 5.56 NATO/223 Rem | 8 lbs | 38.25" | 20" | Fluted, chrome-moly steel (non-chrome-lined) |
| 90824 | 5.56 NATO/223 Rem | 8.4 lbs | 42.25" | 24" | Fluted, chrome-moly steel (non-chrome-lined) |
PLEASE NOTE: Prospective Bushmaster buyers should check their own State, County, and City laws to determine the local legality of rifles with these features and accessories.
A Federal Firearms License is REQUIRED for the purchase of any Complete Weapon or Lower Receiver. Your order will not be processed without it. See the Dealer Locator for your nearest Bushmaster Dealer. Any other firearms parts or accessories shown in this website may be purchased directly.
