Re: Question about AR rifles
1.Is a free floating rail system better because it dosent touch the barrel?
Any real free floating system on a weapon will tend to be more independent of the other parts during aim and fire. That can be a good thing because the systems will tend to absorb shock with a bit of elasticity and stay in place. Theoretically the parts should also cooperate better once dialed in. To some extent, you get what you pay for.
2.What are the advantages of a 2 stage match trigger over regular trigger?
First, many "regular" or stock triggers on a variety of makes & models are mediocre, so any match trigger which is tuned to give you competition grade advantages may seem like an improvement. A match trigger helps you feel the take-up and the let-off with precision. But let's assume I have a really well-made (or smithed) stock trigger -- it may be heavier, but if it is smooth and doesn't stack on the take-up, I might actually prefer to have that on a practical/defense weapon. What is good on competition, sniper, and long range hunting rifles, like 2-3 lb. trigger breaks, may not be preferable on a practical model -- a stock trigger may be perfectly sufficient, and safer and more controllable under pressure. I would probably not feel the need of a match trigger unless I planned to hunt, or snipe for law enforcement, with my AR.
3.1 MOA usually refers to the distance between the farthest bullet grouping at 100 yards right?
Somebody else can sum this up, but I believe your statement is correct as it is applied by gun makers. 1 minute of angle is, I believe, also used to describe the accuracy achieved by match grade ammunition.
4.Is there a certain way I should break in a barrel?
Agh! I hate this part too. Check the link; there are some fairly arduous processes I've read for at least some AR barrels.
5.What is the difference between a heavy barrel and a bull barrel?
The older thin AR barrels tended to bend when dropped in the field. The newer AR "HBAR" corrects that potential problem by providing a bit more beef to allow the barrel to withstand a lot more knocking around, thereby assuring long-lived accuracy for a stock barrelled HBAR gun. Bull barrels are usually designed for above average, or match, accuracy, though reviews should be read before spending the extra money on a given brand.
If I've stated anything above poorly or with inaccuracy someone feel free to correct me. I'm always wanting to learn better.
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Last edited by offeror; 08-28-2004 at 05:28 PM..