本帖最后由 m429529 于 2016-3-30 13:51 编辑
一般来说milled receiver长的都是这样的
那个切出来的槽应该是milled机匣最直观的特征
找到的对比图
原装的mak90上面应该是一个美国件都没有的---因为是norinco出的 不是吗
另外关于922r零件的数量,I shall quote the law:
27 CFR 478.39 - ASSEMBLY OF NON-SPORTING SHOTGUNS AND SEMIAUTOMATIC RIFLES FROM IMPORTED PARTS
(a) No person shall assemble a semiautomatic rifle or any shotgun using more than 10 of the imported parts listed in paragraph (c) of this section if the assembled firearm is prohibited from importation under section 925(d)(3) as not being particularly suitable for or readily adaptable to sporting purposes.
(b) The provisions of this section shall not apply to:
(1) The assembly of such rifle or shotgun for sale or distribution by a licensed manufacturer to the United States or any department or agency thereof or to any State or any department, agency, or political subdivision thereof; or
(2) The assembly of such rifle or shotgun for the purposes of testing or experimentation authorized by the Director under the provisions of Sec. 178.151; or
(3) The repair of any rifle or shotgun which had been imported into or assembled in the United States prior to November 30, 1990, or the replacement of any part of such firearm.
(c) For purposes of this section, the term imported parts are:
(1) Frames, receivers, receiver castings, forgings or stampings (2) Barrels (3) Barrel extensions (4) Mounting blocks (trunions) (5) Muzzle attachments (6) Bolts (7) Bolt carriers (8) Operating rods (9) Gas pistons (10) Trigger housings (11) Triggers (12) Hammers (13) Sears (14) Disconnectors (15) Butt stocks (16) Pistol grips (17) Forearms, hand guards (18) Magazine bodies (19) Followers (20) Floor plates
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