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Brownells
The Brownells AR-15 Model 601/M16A1 buttstock assembly in brown brings authentic vintage furniture to your early-platform rifle build. If you're restoring a classic AR or M16 to original spec—or simply prefer the look and feel of early military ergonomics—this brown buttstock replicates the styling of the earliest AR-15 prototype rifles from the late 1950s. Original stocks in decent condition are increasingly rare and expensive; this new production option gives you the correct profile without the hunt or the premium price.
This is a Type D–style stock, meaning it features a rear sling swivel and no trap door compartment, and it's designed to fit the widest range of early M16 and AR-15 variants. The brown finish matches rifles from the Model 601 era and earlier development rifles, making it the right choice if you're after period-correct furniture for a 1950s-era build or a rifle that demands that original character. The assembly includes the A1 length buttstock screw and instructions, so you can get it mounted right away—just note that the buffer tube and other hardware are sold separately.
Brownells' retro furniture line is not a reproduction of original components down to the last detail; some areas have been modified to accommodate modern manufacturing or to sidestep counterfeit concerns. What you get is accurate styling and correct proportions for the Model 601 and early prototype rifles, delivered in new condition and ready to use.
| Brand | Brownells |
| Product Type | Buttstock Assembly |
| Model Compatibility | AR-15, M16, M16A1, Model 601, and early-generation rifles |
| Stock Style | Type D |
| Finish | Brown |
| Sling Swivel | Rear sling swivel included |
| Trap Door | None |
| Screw Type | A1 length buttstock screw (included) |
| Buffer Tube | Not included; sold separately |
Yes. This assembly is designed to fit the widest range of early M16 and AR-15 models, including the Model 601, XM16E1, M16A1, and other early-generation rifles. The Type D profile and A1 screw make it compatible with most rifles from that era. However, if you have a specific model, it's worth confirming compatibility before purchase, as early rifles had some variations.
Brown matches the earliest AR-15 prototype rifles from the late 1950s. Green is correct for early Model 601 rifles, the first AR-15 adopted by the US Air Force in 1959. Black is appropriate for the Model 602, XM16E1, M16A1, and rifles introduced after 1963. Choose the color that matches the era and model you're building or restoring.
Yes. The buttstock assembly does not include a buffer tube or other hardware. You'll need to source a compatible buffer tube and any other components required for installation.
Brownells' retro furniture is modeled on original stocks and captures the correct styling and proportions. However, it is not an exact reproduction; some areas have been modified due to modern manufacturing methods or to avoid counterfeit concerns. If you need a stock that's historically identical down to every detail, an original may be required—but those are increasingly hard to find in decent condition and typically cost significantly more.
Brownells
The Brownells AR-15 Model 601/M16A1 buttstock assembly in brown brings authentic vintage furniture to your early-platform rifle build. If you're restoring a classic AR or M16 to original spec—or simply prefer the look and feel of early military ergonomics—this brown buttstock replicates the styling of the earliest AR-15 prototype rifles from the late 1950s. Original stocks in decent condition are increasingly rare and expensive; this new production option gives you the correct profile without the hunt or the premium price.
This is a Type D–style stock, meaning it features a rear sling swivel and no trap door compartment, and it's designed to fit the widest range of early M16 and AR-15 variants. The brown finish matches rifles from the Model 601 era and earlier development rifles, making it the right choice if you're after period-correct furniture for a 1950s-era build or a rifle that demands that original character. The assembly includes the A1 length buttstock screw and instructions, so you can get it mounted right away—just note that the buffer tube and other hardware are sold separately.
Brownells' retro furniture line is not a reproduction of original components down to the last detail; some areas have been modified to accommodate modern manufacturing or to sidestep counterfeit concerns. What you get is accurate styling and correct proportions for the Model 601 and early prototype rifles, delivered in new condition and ready to use.
| Brand | Brownells |
| Product Type | Buttstock Assembly |
| Model Compatibility | AR-15, M16, M16A1, Model 601, and early-generation rifles |
| Stock Style | Type D |
| Finish | Brown |
| Sling Swivel | Rear sling swivel included |
| Trap Door | None |
| Screw Type | A1 length buttstock screw (included) |
| Buffer Tube | Not included; sold separately |
Yes. This assembly is designed to fit the widest range of early M16 and AR-15 models, including the Model 601, XM16E1, M16A1, and other early-generation rifles. The Type D profile and A1 screw make it compatible with most rifles from that era. However, if you have a specific model, it's worth confirming compatibility before purchase, as early rifles had some variations.
Brown matches the earliest AR-15 prototype rifles from the late 1950s. Green is correct for early Model 601 rifles, the first AR-15 adopted by the US Air Force in 1959. Black is appropriate for the Model 602, XM16E1, M16A1, and rifles introduced after 1963. Choose the color that matches the era and model you're building or restoring.
Yes. The buttstock assembly does not include a buffer tube or other hardware. You'll need to source a compatible buffer tube and any other components required for installation.
Brownells' retro furniture is modeled on original stocks and captures the correct styling and proportions. However, it is not an exact reproduction; some areas have been modified due to modern manufacturing methods or to avoid counterfeit concerns. If you need a stock that's historically identical down to every detail, an original may be required—but those are increasingly hard to find in decent condition and typically cost significantly more.
