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Most Helpful Positive Review
Otis Lock Block
Was having trouble installing my muzzle device and keep from twisting my Adams Arms piston gas block out of alignment. This lock block holds the barrel solid, not the upper receiver. You can really get your muzzle brake/flash hider super tight without fear of putting undo stress on the upper or messing up barrel alignment at the upper.
Solid steel
This tool is top quality,and very precise in it's tolerances.so glad I opted for this purchase. fast processing and shipping too from optics planet!
Pros:
- Heavy Steel Construction
Cons:
- None
Best Used for:
- Barrel nuts and muzzle devices
Would recommend: Yes
Great product
rock solid steel rod that will also show if you have a clocked barrel
Would recommend: Yes
Great quality
Great quality and easy to use. Good way to make sure your barrel is installed correctly or the upper is centered correctly for the barrel. Works great for what it’s actually made for. Highly recommend
Pros:
- Great
- qualty
Cons:
- None
Would recommend: Yes
great product
Great item to have if you assemble ar platform’s. The brass bushing helps to prevent damaging your upper receiver and takes the slop out when using the lock block.
Pros:
- Ease of use
Cons:
- None
Would recommend: Yes
Solid and simple!
This is a simple solution to firmly holding your barrel/upper in place while adding or removing parts; hand guards, muzzle devices, barrel nuts, etc. The included bushing ensures your receiver is held steady and, though it needs a bit of coaxing to remove from the upper, is not difficult to remove.
Pros:
- Simple, solid, easy to use, holds firmly, great fit/finish, durable
Cons:
- None
Best Used for:
- Work on upper receiver and barrel
Would recommend: Yes
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