SOLGW Precision SPR
Sons of Liberty Gun Works' SPR barrel uses 416R stainless steel with a .223 Wylde chamber for tight groups with both .223 and 5.56.
- Price
- $399
- Brand
- Sons of Liberty Gun Works
- Category
- Barrels
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Features
- •16" barrel
- •Black oxide or raw stainless finish
- •.223 Wylde chamber
- •SPR contour
- •1:7 twist
- •5/8x24 muzzle threads
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Sons of Liberty Gun Works AR-15 Liberty Fighting Precision .223 Wylde Threaded AR Barrel 16 inch SPR Mid Length 1-7 Twist 5/8x24 Phosphate Black
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90-day low $399.00 · at low nowMore AR-15 guides & articles
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Overview
The Sons of Liberty Gun Works Precision SPR is a 16-inch .223 Wylde barrel with mid-length gas, 1:7 twist, SPR contour, 5/8x24 muzzle threads, and a black oxide or raw stainless finish. It is not a MK12 profile: SOLGW does not cut the contour for an Ops Inc suppressor collar.
The SPR (Special Purpose Rifle) contour is intended to provide more rigidity than lighter carbine profiles while keeping weight reasonable for practical field use. With 5/8x24 muzzle threads, the barrel accommodates precision brakes and many .30-caliber-thread muzzle devices commonly used on accuracy-focused rifles.
Real-world appeal here is straightforward: a .223 Wylde chamber, 1:7 twist, and a heavier precision contour for shooters prioritizing accuracy over ultralight handling.
Key Features
- .223 Wylde chamber optimized for both .223 and 5.56 accuracy
- 1:7 twist for heavier .223/5.56 projectiles
- SPR contour balances rigidity for accuracy with practical weight
- 5/8x24 muzzle threads accommodate precision brakes and standard devices
- 16-inch barrel; 18-inch SPR variant exists separately
Pros
- +Precision-oriented SPR contour
- +.223 Wylde chamber delivers match accuracy with both .223 and 5.56 ammunition
- +SPR contour offers excellent rigidity without excessive weight
- +SOLGW warranty coverage provides peace of mind for premium builds
Cons
- −Premium pricing reflects precision-oriented design and materials
- −Not the chrome-lined duty-barrel choice for maximum service life
- −Heavier SPR profile less ideal for lightweight or compact builds
- −16-inch precision profile is less compact than SBR/pistol barrel options
Detailed Specifications
- lengths
- 16"; 18" SPR variant exists separately
- chamber
- .223 Wylde
- Finish
- Black oxide or raw stainless (416R)
- twist
- 1:7
- gasSystem
- Mid-length for 16Precision-SPR-223
- muzzleThreads
- 5/8x24 TPI
- profile
- SPR (Special Purpose Rifle) contour
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